Allen Optimist Sprit Block Apparel & Personal Gear which is common amongst other

which is common amongst other styles

The counterweight also stops the Aerovane from “flapping” side to side in strong winds

This provides a superior load-carrying ability and longevity when compared to other bearing systems available on the market

Featuring a ball bearing sheave which has been shaped to work with dyneema or wire

Allen Optimist Sprit Block Apparel & Personal Gear which is common amongst otherAllen Optimist Sprit Block. Featuring a ball bearing sheave which has been shaped to work with dyneema or wire. The flat side of the block is specially designed to sit against the mast of an optimist to stop any twisting, allowing the block to give the best lead for the sprit line and making it as easy as possible for the sailor to use whilst on the water. This Optimist hook will fit all Optimist masts and is 100% class legal.