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Keelboat / Dragon / 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
A2030LZ Single Stand-Up Fixed 500348140- 59 30.2 £26.23
A2030SC 30mm Block w/Swivel 450-81404 67.97 36 £43.55
A2031F Single With Fork 450-81404 59 36 £22.78
A2032 Double 1250-8280- 63 72 £47.44
A2033 Double With Becket 1250-8280- 76 77 £49.27
A2034 Triple 1750-8490- 63 103 £62.06
A2035 Triple With Becket 1750-8420- 83 114 £72.56
A2036 Single Cheek Block 500-81404 59 35 £24.95
A2036M Single Composite Cheek 400308140- 50 24 £17.69
A2132 Double Through Deck 500908140- 77 45 £52.40
A4101 Upstand Block 850258140- 45 57 £39.13
A4111 Double Upstand Block 85047 x 258140- 45 46 £69.46