The Optimist Halyard Block with an official Harken plain bearing block and hook as seen under Optiparts Sailing Spars online. Harken Ball bearing hook-in block as used on Blackgold racing masts. Due...
Optimist halyard system as used on Blackgold Optimist masts. 3 mm ultra low stretch Vectran with spliced loops. Complete with the Harken hook-in block and 29 mm Harken tie-lite block.