Schaefer Half-Moon Mast Base / Fixed Aluminum Max Line 5/8" (16 mm) Triple Sheave(45mm) polished finish

polished finish

while the Di Guard Neoprene panels are reinforced for additional protection and endurance

Block is mounted to bisect load angle for maximum strength

Wichard Single 63/64" (25mm) Ball Bearing Block w/ Fixed Eye & Becket

Schaefer Half-Moon Mast Base / Fixed Aluminum Max Line 5/8" (16 mm) Triple Sheave(45mm) polished finishProduct Description Schaefer Half Moon Mast Base Fixed Aluminum Max Line 5 8" (16 mm) Half Moon base block. UC Aluminum sheave features Nomex(tm) Teflon(tm) bearing with delrin(tm) ball bearings for a low friction high strength sheave. Heavy Duty Stainless Steel cage includes a flare on each side for a low friction lead into the block. Specifications: Fixed Alum. Sheave Dia.: 2 3 8 in. (60 mm) Max Line: 5 8 in. (16 mm) Length: 3 5 16 in. (100 mm)