20mm dynamic blocks
Allen 20mm dynamic blocks are available with a wide range of accessories and features to suit most control line applications on dinghies, as well as lightweight take up systems on 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.
Showing 1–12 of 54 results
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20mm Double Tii-On
£26.08 – £35.59 ex. VAT Select options -
20mm Double With Swivel
£36.62 ex. VAT Add to basket -
20mm Single Block
£9.54 ex. VAT Add to basket -
20mm Single Cheek Block
£14.24 ex. VAT Add to basket -
20mm Single Tii-On
£9.54 – £19.04 ex. VAT Select options -
Articulating Double
£26.07 ex. VAT Add to basket -
Articulating Triple
£37.03 ex. VAT Add to basket -
Back To Back
£21.70 ex. VAT Add to basket -
Back To Back High Load
£51.18 ex. VAT Add to basket -
Cheek Adaptor For A2021
£6.03 ex. VAT Add to basket -
Cheek Block High Load
£28.96 ex. VAT Add to basket -
Classic Stand Up Single
£17.82 ex. VAT Add to basket