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Keelboat / J70 / 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 kg | fixing hole centres mm | maximum line diameter mm | maximum working load kg | shackle pin mm | Length mm | Weight g | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
 |
A2030 | Single | 750 | - | 8 | 140 | - | 49 | 26 | £16.48 |
 |
A2030R3 | Three Singles On Ring | 750 | - | 8 | 140 | - | - | 108.5 | £57.55 |
 |
A2030SC | 30mm Block w/Swivel | 450 | - | 8 | 140 | 4 | 67.97 | 36 | £41.68 |
 |
A2030Tii- | Single Tii-On | 750 | - | 8 | 140 | - | 42 | 24 | £16.48 |
 |
A2032 | Double | 1250 | - | 8 | 280 | - | 63 | 72 | £45.40 |
 |
A2032Tii- | Double Tii-on Block | 1100 | - | 8 | 280 | - | 41.5 | 48 | £46.60 |
 |
A2036M | Single Composite Cheek | 400 | 30 | 8 | 140 | - | 50 | 24 | £16.93 |
 |
A2039FIDDLE | Single With Fiddle | 600 | - | 8 | 140 | 4 | 89.3 | 47 | £85.49 |