Schaefer Sailing 60 mm Hinged Half-Moon Mast Base Block - Delrin, 32-15-UC Furling Unit Accessories_Spool Assemblies and released with a thumb

and released with a thumb switch

suitable for use on mainsheets on boats up to 45 feet

Ideal for anchor and mooring applications

The Harken 16 mm Low-Beam Pinstop Track (Part # 453

Schaefer Sailing 60 mm Hinged Half-Moon Mast Base Block - Delrin, 32-15-UC Furling Unit Accessories_Spool Assemblies and released with a thumbSchaefer 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