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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
C - 4 3/4 in
flexible V-fittings on bow and tongue tubes provide boat support forward of the sling and prevent boat and aluminum contact
Power Ratio is the mechanical advantage of the winch and is calculated as follows:
and race proven by America's Cup Teams
One "wrap" around our "v" shaped base locks line in cleat for quick adjustments
Schaefer Single Aluminum Block w/Swivel Shackle and Becket, Sheave Dia. 1 7/16" Accessories JY 15 C - 4 3/4 inProduct Description Schaefer Single Aluminum Block w Swivel Shackle and Becket, Sheave Dia. 1 7 16" Single Aluminum Block with Swivel Shackle and Becket. Aluminum Cheeks and Delrin Sheave provide a strong, durable block. For boats to 25', control lines on boats to 30'. Specifications: Sheave Dia.: 1 7 16 in. Thickness: 3 4 in. (19 mm) Width: 1 9 16 in. (40 mm) Length: 4 1 2 in. (114 mm) SWL: 1000 lbs (410 kg) Weight: 2. 8 oz. (79 g) Max Line: 7 16 in.