Optiparts EX1320 Optimist Mainsheet Block with Becket Shop-by-Sport-Wakeboarding-Tops Plastic Cap & Conical Nuts

Plastic Cap & Conical Nuts (17mm socket required to lock on the wheels) Taper Roller Hubs

As a general rule sail elements shall be a minimum of 45mm apart and a maximum of 55mm apart

If you’re looking for a simple competitive edge

The superstretch neoprene outer allows these socks to span several shoe sizes making it easier for you to find the correct size - a closer fit means warmer feet

Durable stretch side panels

Optiparts EX1320 Optimist Mainsheet Block with Becket Shop-by-Sport-Wakeboarding-Tops Plastic Cap & Conical NutsStandard blocks with stainless steel cheeks and nylon sheave. Sheave diameter 34 mm. For ropes up to 10 mm.