Schaefer Flat Base Double Cheek Block

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Product Description Schaefer Flat Base Double Cheek BlockDouble Cheek Block with Delrin Sheaves. Lower Sheave Safe Working Load 1750 lbs, Upper Sheave 350 lbs. Works with #55-60 to fit curved spars.Specifications: Sheave Dia.: 2 in. (51 mm) Max Line Dia.: 7/16 in. (11 mm) Width: 2 7/32 in. (57 mm) Length: 3 5/8 in. (92 mm) Height: 1 19/32 in. (40 mm) Weight stain: 10.7 oz. (303 g) Top Sheave SWL: 350 lbs. (159 kg) SWL: 1750 lbs. (795 kg) Fasteners: (4) #10 RH (5 mm) C/C: 3 in. (76 mm) Show more