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Multi Person Dinghy / 505 / Blocks / 30mm dynamic blocks

Allen 30mm dynamic blocks are super smooth, high performing and ultra-reliable. Available with a wide range of accessories and features to suit most control line applications on dinghies and keelboats.


Dynamic Bearings - Twin rows of stainless steel ball bearings running on a stainless steel axle provide superior rolling speeds and durability when compared to plastic alternatives.


Ultra-Strap – A stainless steel strap which holds the block together and provides a strong, reliable and rope friendly attachment point.


Becket – The hole through the middle of the block can be used as a tying off point (becket).

 

Maximum Working Load – If exceeded the block may not perform as designed. Breaking Load – The load at which a major block failure is likely to occur. 

SKU Title breaking load kgfixing hole centres mmmaximum line diameter mmmaximum working load kgshackle pin mm Length mm Weight g Price
A2030 Single 750-8140- 49 26 £17.22
A2030HL Single High Load - Stainless Steel Sheave 800-8300- 49 39 £40.39
A2030HLF Single Fork Head With High Load Sheave 750-83005 56 43 £2.80
A2030LZ Single Stand-Up Fixed 500348140- 59 30.2 £26.23
A2030SC 30mm Block w/Swivel 450-81404 67.97 36 £43.55
A2033 Double With Becket 1250-8280- 76 77 £49.27
A2131 Single Through Deck 500608140- 47 25.6 £34.92
A2136M Double Composite Cheek 400308280- 50 36.6 £38.93
A4101 Upstand Block 850258140- 45 57 £39.13