Schaefer Half-Moon w/ 3 1/4" Alum. Sheave Block

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Product Description Schaefer Half-Moon w/ 3 1/4" Alum. Sheave Block 32-33-UC half-moon lead block. Stainless steel cage and slider ensure high safe working load. Aluminum sheave ru ns on Nomex(tm) bearing with Torlon(tm) ball bearings for a low-friction sheave and high safe working load. Center pin adjustment prevents snagging and accidental release. SS Springs keep block upright while allowing up to a 45 degree articulation to both sides.Specifications: Track Size: 1 1/4 in. x 3/16 in. (32 mm x 5 mm) Boat Size Up To LOA, Displ., Sail Area: 44', 18000 lbs., 715 sq. ft. (11.5 m, 8182 kg, 66 m2) Sheave Dia.: 3 1/4 in. (83 mm) Max Line: 3/4 in. (19 mm) Length: 5 1/2 in. (140 mm) Width: 1 5/8 in. (41 mm) Height: 5 7/32 in. (140 mm) Bearing Height: 2 3/32 in. (54 mm) SWL: 5000 lbs. (2270 kg) Weight: 2 lbs. 2 oz. (964 g) Show more