Allen 30mm Dynamic Back to Back Block Apparel & Personal Gear Mainsheet Jammer (Block Not Included)

Mainsheet Jammer (Block Not Included)

The stainless-steel head loop also ensures the block stays in the right orientation when being used

AutoRatchets are ideal for use in spinnaker sheet systems when you want the sheave to spin freely and let the sheet out quickly when gybing

Can be used in any other application

Allen Stainless Steel Spinnaker Uphaul Hook

Allen 30mm Dynamic Back to Back Block Apparel & Personal Gear Mainsheet Jammer (Block Not Included)Allen 30mm Back To Back Block. Our back to back blocks feature two sheaves, both with our patented dynamic bearing technology. The sheaves face opposite directions to allow two control lines to run at a maximum of 180 degrees to each other. Held together with a strong stainless steel side strap and nylon mouldings ensures the block will not separate even under two very high opposing loads. The strength of the design lends itself to be tied around the