{"title":"Swivel Jammers","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eFeaturing a rotating base for optimal alignment, Swivel cleats allow smooth and efficient rope handling from any angle. Ideal for vang and jib systems.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"a4466-angled-with-medium-allenite-cleat","title":"Swivel Cleat - Angled, Medium Cleat","description":"\u003cdiv\u003e\n\u003ch3\u003eAngled Swivel Cleat – Medium\u003c\/h3\u003e\n\u003cp\u003eDesigned for smooth sheeting and easy line control, this Angled Swivel Cleat combines a Medium Allenite Cam Cleat with an angled stainless steel swivel base for improved ergonomics and efficient operation. Ideal for jib sheets, vangs, cunninghams, and other control line systems, it allows lines to be cleated and released comfortably from a wide range of angles.\u003c\/p\u003e\n\u003cp\u003eThe Allenite cam cleat is moulded from Allen's proprietary material, offering low weight, excellent heat dissipation, and improved wear resistance compared to standard acetals. Paired with an A4152 Bullseye Fairlead featuring a stainless steel insert, it provides smooth rope guidance with reduced friction.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMedium Allenite cam cleat\u003c\/li\u003e\n\u003cli\u003eAngled stainless steel swivel base for improved ergonomics\u003c\/li\u003e\n\u003cli\u003eA4152 Bullseye Fairlead with stainless steel liner\u003c\/li\u003e\n\u003cli\u003eSmooth and reliable line handling\u003c\/li\u003e\n\u003cli\u003eLightweight and durable construction\u003c\/li\u003e\n\u003cli\u003eEnhanced wear resistance and heat dissipation\u003c\/li\u003e\n\u003cli\u003eReduced friction for efficient operation\u003c\/li\u003e\n\u003cli\u003eIdeal for jib sheets, vangs, cunninghams, and control lines\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196811256183,"sku":"A4466","price":59.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A4466.jpg?v=1781800944"},{"product_id":"a4466straight-straight-with-medium-allenite-cleat","title":"Swivel Cleat - Straight, Medium Cleat","description":"\u003ch3\u003eStraight Swivel Cleat with Medium Allenite Cleat\u003c\/h3\u003e\n\u003cp\u003eDesigned to provide smooth sheeting articulation across a wide range of sailing applications, this Straight Swivel Cleat is ideal for jib sheets, vang systems, and general control lines. The medium Allenite cam cleat is mounted on a high-grade stainless steel platform.\u003c\/p\u003e\n\u003cp\u003eThe Allenite cam cleat is moulded from Allen's proprietary material, offering reduced weight, excellent heat dissipation, and improved wear resistance compared to standard acetal alternatives.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMedium Allenite cam cleat\u003c\/li\u003e\n\u003cli\u003eHigh-grade stainless steel swivel platform\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmooth sheeting articulation\u003c\/li\u003e\n\u003cli\u003eLightweight and durable construction\u003c\/li\u003e\n\u003cli\u003eEnhanced wear resistance and heat dissipation\u003c\/li\u003e\n\u003cli\u003eAvailable with plain bearing or ball bearing swivel base\u003c\/li\u003e\n\u003cli\u003eIdeal for jib sheeting, vang systems, and control lines\u003c\/li\u003e\n\u003cli\u003eSuitable for marine and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196811321719,"sku":"A4466STRAIGHT","price":59.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A4466STRAIGHT.jpg?v=1781800945"},{"product_id":"a4766-angled-with-small-allenite-cleat","title":"Swivel Cleat - Angled, Small Cleat","description":"\u003cdiv\u003e\n\u003ch3\u003eAngled Swivel Cleat – Small\u003c\/h3\u003e\n\u003cp\u003eDesigned for smooth sheeting and easy line control, this Angled Swivel Cleat combines a lightweight Allenite Small Cam Cleat with an angled stainless steel swivel base for improved ergonomics and efficient operation. Ideal for jib tweakers, vang systems, control line take-ups, and other light-load applications, it allows lines to be cleated and released comfortably from a range of angles.\u003c\/p\u003e\n\u003cp\u003eThe system is fitted with an A4152 Bullseye Fairlead featuring a stainless steel insert for reduced friction, improved durability, and smooth line guidance.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight Allenite Small Cam Cleat\u003c\/li\u003e\n\u003cli\u003eAngled stainless steel swivel base for improved ergonomics\u003c\/li\u003e\n\u003cli\u003eA4152 Bullseye Fairlead with stainless steel liner\u003c\/li\u003e\n\u003cli\u003eSmooth and reliable line handling\u003c\/li\u003e\n\u003cli\u003eLow-weight, cost-effective design\u003c\/li\u003e\n\u003cli\u003eEnhanced wear resistance and heat dissipation\u003c\/li\u003e\n\u003cli\u003eReduced friction for efficient operation\u003c\/li\u003e\n\u003cli\u003eIdeal for jib tweakers, vangs, and light-load control systems\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196819546487,"sku":"A4766","price":55.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A4766.jpg?v=1781801026"},{"product_id":"a4766straight-straight-with-small-allenite-cleat","title":"Swivel Cleat - Straight, Small Cleat","description":"\u003ch3\u003eStraight Swivel Cleat with Small Allenite Cleat\u003c\/h3\u003e\n\u003cp\u003eDesigned to provide smooth sheeting articulation across a wide range of sailing applications, this Straight Swivel Cleat is ideal for jib sheets, vang systems, and general control lines. The Small Allenite Cam Cleat is mounted on a high-grade stainless steel platform.\u003c\/p\u003e\n\u003cp\u003eThe Allenite cam cleat is moulded from Allen's proprietary material, offering reduced weight, excellent heat dissipation, and improved wear resistance compared to standard acetal alternatives.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSmall Allenite cam cleat\u003c\/li\u003e\n\u003cli\u003eHigh-grade stainless steel swivel platform\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmooth sheeting articulation\u003c\/li\u003e\n\u003cli\u003eLightweight and durable construction\u003c\/li\u003e\n\u003cli\u003eEnhanced wear resistance and heat dissipation\u003c\/li\u003e\n\u003cli\u003eAvailable with plain bearing or ball bearing swivel base\u003c\/li\u003e\n\u003cli\u003eIdeal for jib sheeting, vang systems, and control lines\u003c\/li\u003e\n\u003cli\u003eSuitable for marine and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196819677559,"sku":"A4766STRAIGHT","price":55.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A4766STRAIGHT.jpg?v=1782732245"},{"product_id":"a4876-through-deck-control-line-lead-cleat","title":"Through Deck Control Line Lead Cleat","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThrough Deck Swivel Cleat\u003c\/h3\u003e\n\u003cp\u003eDesigned for applications where the line feeds up through the deck, the Through Deck Swivel Cleat provides smooth, low-friction control and reliable cleating from any angle. With full 360° rotation, it delivers unrestricted movement and helps prevent line twists, making it ideal for coarse rig tension systems, through-deck mainsheets, and jib sheet applications.\u003c\/p\u003e\n\u003cp\u003eFitted with a 30mm ball bearing sheave and an A..77 Small Aluminium Ball Bearing Cam Cleat, it offers smooth line handling, secure holding power, and precise adjustment in demanding sailing conditions.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFull 360° swivel action for unrestricted line control\u003c\/li\u003e\n\u003cli\u003e30mm ball bearing sheave for smooth, low-friction operation\u003c\/li\u003e\n\u003cli\u003eA.77 Small Aluminium Ball Bearing Cam Cleat\u003c\/li\u003e\n\u003cli\u003eDesigned for lines fed from beneath the deck\u003c\/li\u003e\n\u003cli\u003eSecure and reliable cleating performance\u003c\/li\u003e\n\u003cli\u003eHelps reduce line twists and tangles\u003c\/li\u003e\n\u003cli\u003eSuitable for lines up to 6mm\u003c\/li\u003e\n\u003cli\u003eIdeal for coarse rig tension, through-deck mainsheet, and jib sheet systems\u003c\/li\u003e\n\u003cli\u003eDurable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eSuitable for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196822528375,"sku":"A4876","price":106.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A4876.jpg?v=1781801055"},{"product_id":"standard-height-mainsheet-jammer","title":"Mainsheet Jammer","description":"\u003cdiv\u003e\n\u003ch3\u003eStandard Height Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned for dinghies and keelboats that require a central mainsheet jammer, this Standard Height Mainsheet Jammer provides smooth, reliable mainsheet control with an optimised cleating position for easy adjustment under load.\u003c\/p\u003e\n\u003cp\u003eFeaturing Allen's cold-forged bearing system with a ball-locating groove, the arm rotates smoothly while preventing lateral movement. The rotation can be adjusted to 180°, 220°, or 360° using the underside stopper pins, while the carefully optimised arm angle ensures effortless cleating and uncleating. Supplied with an aluminium ball bearing cam cleat and Mega Pro-Lead for smooth and reliable rope handling.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStandard height mainsheet jammer\u003c\/li\u003e\n\u003cli\u003eIdeal for dinghies and keelboats\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angle for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eFitted with an aluminium ball bearing cam cleat and Mega Pro-Lead\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eDurable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196830294391,"sku":"A5166","price":170.03,"currency_code":"GBP","in_stock":true},{"title":"A2160","offer_id":57196830327159,"sku":"A5166ASSEMBLED","price":214.72,"currency_code":"GBP","in_stock":true},{"title":"A2160Fiddle","offer_id":57196830359927,"sku":"A5166FIDDLE","price":242.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5166ASS-resized.jpg?v=1785857715"},{"product_id":"compact-mainsheet-jammer","title":"Mainsheet Jammer - Compact","description":"\u003cdiv\u003e\n\u003ch3\u003eCompact Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned for dinghies and keelboats that require a central mainsheet jammer in a lower-profile, space-saving format, this Compact Mainsheet Jammer delivers smooth operation and reliable control without taking up unnecessary cockpit space.\u003c\/p\u003e\n\u003cp\u003eFeaturing Allen's cold-forged bearing system with a ball-locating groove, the arm rotates smoothly while preventing lateral movement for improved durability and feel. The arm can be set to rotate through 180°, 220°, or 360° using adjustable stopper pins, while the optimised cleat angle ensures easy cleating and releasing.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompact, low-profile mainsheet jammer design\u003c\/li\u003e\n\u003cli\u003eIdeal for dinghies and keelboats\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angle for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eFitted with a medium aluminium ball bearing cam cleat with Mega Pro-Lead\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eDurable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196830458231,"sku":"A5166COMP","price":166.79,"currency_code":"GBP","in_stock":true},{"title":"A2160 Ratchet","offer_id":57196830490999,"sku":"A5166COMP-ASS","price":212.24,"currency_code":"GBP","in_stock":true},{"title":"A2160WAVE Ratchet","offer_id":57196830523767,"sku":"A5166COMP-ASS-WAVE","price":212.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A516620COMP-ASS.jpg?v=1781801137"},{"product_id":"dual-arm-standard-height-mainsheet-jammer","title":"Dual Arm Mainsheet Jammer","description":"\u003cdiv\u003e\n\u003ch3\u003eDual Arm Standard Height Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned for dinghies and keelboats that require centralised control of both the mainsheet and an additional control line, this Dual Arm Standard Height Mainsheet Jammer keeps essential controls within easy reach of the mainsheet trimmer. The dual arm configuration allows efficient adjustment of both lines from a central position, improving handling and cockpit organisation.\u003c\/p\u003e\n\u003cp\u003eBuilt around Allen's cold-forged bearing system, the jammer delivers smooth rotation while preventing lateral arm movement. The main arm is fitted with a medium aluminium ball bearing cam cleat with Mega Pro-Lead, while the lower arm features a small aluminium ball bearing cam cleat with Mega Pro-Lead and integrated sheaves for clean, efficient rope routing.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStandard height dual arm mainsheet jammer\u003c\/li\u003e\n\u003cli\u003eDesigned for mainsheet and secondary control lines such as vangs\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angles for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eMedium aluminium ball bearing cam cleat with Mega Pro-Lead on the main arm\u003c\/li\u003e\n\u003cli\u003eSmall aluminium ball bearing cam cleat with Mega Pro-Lead on the lower arm\u003c\/li\u003e\n\u003cli\u003eTwin sheaves on the lower arm for efficient rope guidance\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196830654839,"sku":"A5166DUAL","price":309.82,"currency_code":"GBP","in_stock":true},{"title":"A2160 Ratchet","offer_id":57196830687607,"sku":"A5166DUAL-ASS","price":400.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5166DUAL-ASS.jpg?v=1785857568"},{"product_id":"dual-arm-compact-height-mainsheet-jammer","title":"Dual Arm Mainsheet Jammer - Compact","description":"\u003cdiv\u003e\n\u003ch3\u003eCompact Dual Arm Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned for dinghies and keelboats that require centralised control of both the mainsheet and an additional control line, this Compact Dual Arm Mainsheet Jammer provides efficient, ergonomic line management in a low-profile package. The dual arm arrangement allows both controls to remain within easy reach of the mainsheet trimmer for faster and more efficient adjustments.\u003c\/p\u003e\n\u003cp\u003eBuilt around Allen's cold-forged bearing system, the jammer delivers smooth rotation while preventing lateral arm movement. The main arm is fitted with a medium aluminium ball bearing cam cleat with Mega Pro-Lead, while the lower arm features a small aluminium ball bearing cam cleat with Mega Pro-Lead and integrated sheaves to guide the control line cleanly into the cleat.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompact dual arm mainsheet jammer design\u003c\/li\u003e\n\u003cli\u003eIdeal for mainsheet and secondary control lines such as vangs\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angles for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eMedium aluminium ball bearing cam cleat with Mega Pro-Lead on the main arm\u003c\/li\u003e\n\u003cli\u003eSmall aluminium ball bearing cam cleat with Mega Pro-Lead on the lower arm\u003c\/li\u003e\n\u003cli\u003eIntegrated sheaves on the lower arm for efficient rope routing\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196830916983,"sku":"A5166DUAL-COMP","price":309.82,"currency_code":"GBP","in_stock":true},{"title":"A2160 Ratchet","offer_id":57196830949751,"sku":"A5166DUAL-COMP-ASS","price":400.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5166DUAL-COMP-ASS-2.jpg?v=1781801139"},{"product_id":"self-aligning-mainsheet-jammer","title":"Self Aligning Mainsheet Jammer","description":"\u003cdiv\u003e\n\u003ch3\u003eStandard Height Self-Aligning Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned to improve mainsheet handling and boat control, this Standard Height Self-Aligning Mainsheet Jammer automatically turns through tacks and gybes without manual adjustment. The innovative offset block design keeps the cleat pointing away from the leeward side of the boat, preventing sheet wrap and allowing smoother, faster manoeuvres.\u003c\/p\u003e\n\u003cp\u003eFeaturing a cold-forged bearing system with a ball-locating groove for smooth rotation and minimal lateral movement, the jammer can be configured for 180°, 220°, or 360° rotation to suit different sailing setups. Supplied with an aluminium cam cleat and Mega Pro-Lead, it delivers reliable cleating and easy release when needed.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSelf-aligning design for hands-free operation\u003c\/li\u003e\n\u003cli\u003ePrevents mainsheet wrapping during tacks and gybes\u003c\/li\u003e\n\u003cli\u003eImproves control and handling\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angle for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eSupplied with aluminium cam cleat and Mega Pro-Lead\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196831605111,"sku":"A5266","price":183.27,"currency_code":"GBP","in_stock":true},{"title":"A2160 Ratchet","offer_id":57196831637879,"sku":"A5266ASS","price":227.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5266ASS-RESIZED.jpg?v=1785857764"},{"product_id":"compact-self-aligning-mainsheet-jammer","title":"Self Aligning Mainsheet Jammer - Compact","description":"\u003cdiv\u003e\n\u003ch3\u003eCompact Self-Aligning Mainsheet Jammer\u003c\/h3\u003e\n\u003cp\u003eDesigned to deliver smoother, faster manoeuvres, this Compact Self-Aligning Mainsheet Jammer automatically positions itself through tacks and gybes without manual adjustment. By offsetting and angling the ratchet block away from the cleat, the system generates a turning force that keeps the jammer pointing away from the leeward side of the boat, preventing sheet wrap and improving mainsheet control.\u003c\/p\u003e\n\u003cp\u003eBuilt around a cold-forged bearing system with a ball-locating groove for smooth rotation and reduced lateral movement, the jammer arm can be configured to rotate through 180°, 220°, or 360° to suit different setups. Supplied with an aluminium cam cleat and Mega Pro-Lead, it provides reliable cleating and easy release when needed.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePatented self-aligning design for hands-free operation\u003c\/li\u003e\n\u003cli\u003eReduces mainsheet wrapping during tacks and gybes\u003c\/li\u003e\n\u003cli\u003eImproves control and handling in fast manoeuvres\u003c\/li\u003e\n\u003cli\u003eCold-forged bearing system for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBall-locating groove reduces lateral arm movement\u003c\/li\u003e\n\u003cli\u003eAdjustable rotation settings of 180°, 220°, or 360°\u003c\/li\u003e\n\u003cli\u003eOptimised arm angle for easy cleating and uncleating\u003c\/li\u003e\n\u003cli\u003eSupplied with aluminium cam cleat and Mega Pro-Lead\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a 60mm Pro-Ratchet Block\u003c\/li\u003e\n\u003cli\u003eIdeal for racing and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"None","offer_id":57196831670647,"sku":"A5266COMP","price":180.01,"currency_code":"GBP","in_stock":true},{"title":"A2160 Ratchet","offer_id":57196831703415,"sku":"A5266COMP-ASS","price":225.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5266COMP-ASS-2-2.jpg?v=1781801152"},{"product_id":"high-performance-swivel-cleat-medium","title":"High Performance Swivel Cleat - Medium","description":"\u003cdiv\u003e\n\u003ch3\u003eHigh-Performance Swivel Cleat - Medium\u003c\/h3\u003e\n\u003cp\u003eDesigned for larger sheeting systems, the High-Performance Swivel Cleat delivers smooth, precise line control with minimal friction. Featuring an innovative 360° ball-bearing swivel base, the cleat arm rotates effortlessly, allowing lines to be cleated and released from any angle while maintaining a consistent and precise feel.\u003c\/p\u003e\n\u003cp\u003eTwin dynamic bearing sheaves are mounted on a separate 360° swivel fairlead, ensuring the line feeds perfectly into the cam cleat while minimising friction during trimming. The rigid base design eliminates arm wobble, keeping the cleat at a consistent height for reliable performance in demanding sailing conditions.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e360° ball-bearing swivel cam cleat base\u003c\/li\u003e\n\u003cli\u003eSmooth, friction-free rotation from any angle\u003c\/li\u003e\n\u003cli\u003eRigid design eliminates arm wobble\u003c\/li\u003e\n\u003cli\u003eSeparate 360° swivel fairlead assembly\u003c\/li\u003e\n\u003cli\u003eTwin dynamic bearing sheaves for low-friction line handling\u003c\/li\u003e\n\u003cli\u003eMedium aluminium ball bearing cam cleat\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSupplied with adjustable wedges for five height and angle configurations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompact and ergonomic design\u003c\/li\u003e\n\u003cli\u003eAvailable in Blue or Black\u003c\/li\u003e\n\u003cli\u003eIdeal for larger jib sheeting systems and performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Black","offer_id":57196833636727,"sku":"A5866-76","price":134.87,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":57196833669495,"sku":"A5866-76-BLU","price":134.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5866-7620FRONT-1.jpg?v=1781801172"},{"product_id":"high-performance-swivel-cleat","title":"High Performance Swivel Cleat - Small","description":"\u003cdiv\u003e\n\u003ch3\u003eHigh-Performance Swivel Cleat - Small\u003c\/h3\u003e\n\u003cp\u003eDesigned for the demanding performance requirements of the 29er and 49er skiff classes, the High-Performance Swivel Cleat delivers smooth, precise, and reliable line control. Featuring an innovative 360° ball-bearing swivel base, the cleat arm rotates effortlessly, allowing lines to be cleated and released from any angle with minimal effort.\u003c\/p\u003e\n\u003cp\u003eA separate swivel-mounted fairlead with twin dynamic bearing sheaves ensures the line is fed perfectly into the cam cleat while minimising friction and maintaining a consistent feel when trimming. The rigid base design eliminates arm wobble, keeping the cleat at a consistent height for precise and repeatable operation.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e360° ball-bearing swivel cam cleat base\u003c\/li\u003e\n\u003cli\u003eFrictionless rotation for easy cleating from any angle\u003c\/li\u003e\n\u003cli\u003eRigid design eliminates arm wobble for consistent performance\u003c\/li\u003e\n\u003cli\u003eSeparate 360° swivel fairlead assembly\u003c\/li\u003e\n\u003cli\u003eTwin dynamic bearing sheaves for smooth, low-friction line handling\u003c\/li\u003e\n\u003cli\u003eSmall aluminium ball bearing cam cleat\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eAdjustable wedge system with multiple angle configurations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompact and ergonomic design\u003c\/li\u003e\n\u003cli\u003eAvailable in Blue or Black\u003c\/li\u003e\n\u003cli\u003eIdeal for skiffs, dinghies, and high-performance sailing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2025 DAME Design Awards:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eNominated in the Deck Hardware category at the 2025 METS DAME Design Awards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Black","offer_id":57196833800567,"sku":"A5866-77","price":126.73,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":57196833833335,"sku":"A5866-77-BLU","price":126.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A5866-77-BLU-DAME2.png?v=1781801173"}],"url":"https:\/\/allenbrothers.co.uk\/collections\/swivel-jammers.oembed","provider":"Allen | Performance Sailing Hardware","version":"1.0","type":"link"}