Schaefer Sailing 60 mm Hinged Half-Moon Mast Base Block - Delrin, 32-15-UC Furling Unit Accessories_Spool Assemblies End fittings are polycarbonate and

End fittings are polycarbonate and the tubing is Milspec clear anodized for corrosion resistance and long life

Clear window allows you to see what is inside

side shackle or swivel shackle block

#632 Steering Chain Master Link

Ideal for anchor and mooring applications

Schaefer Sailing 60 mm Hinged Half-Moon Mast Base Block - Delrin, 32-15-UC Furling Unit Accessories_Spool Assemblies End fittings are polycarbonate andSchaefer hinged half moon base blocks provide a strong and smooth option for leading your halyards and control lines to the cockpit. Choose from four different models, all featuring a heavy duty stainless steel cage, polished and buffed to a mirror finish. Sheaves are machined aluminum and run on our self lubricating Nomex Teflon bearing. UC models incorporate Delrin ball bearings for additional friction reduction. Note: Special Order Only