{"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","url":"https:\/\/allenbrothers.co.uk\/products\/dual-arm-standard-height-mainsheet-jammer","provider":"Allen | Performance Sailing Hardware","version":"1.0","type":"link"}