The pin stop is used on the Optimist BlackGold mast to hold the boom from dropping too low. It can also be used on the boom to keep the vang in place. Optiparts Part # EX1337
The blackgold opti mast is made of the highest grade aluminum available (7075 T6 Aerospace spec. alloy) and is the choice of championship opti sailors worldwide. Blackgold masts are provided as...
40 mm diameter, made from aircraft 7000 series aluminum. Stiff and light weight boom is suitable for the majority of sailors. Rigged with the outhaul, vang, and bridle. Optiparts Part # ...