Schaefer S.S. Single 3-Way HD Block, Alum. Sheave Viper 16 The Ceramic coating resists the

The Ceramic coating resists the polishing and wear caused by loaded rope at high line speeds and allows for faster engagement on to loaded line

Wheel Shaft Assembly for Standard Wheels

Excellent strength to weight ratio

For blocks with sheave 35 and 45

small diameter version available for 4-8mm lines

Schaefer S.S. Single 3-Way HD Block, Alum. Sheave Viper 16 The Ceramic coating resists theProduct Description Schaefer S. S. Single 3 Way HD Block, Alum. Sheave Features: Single Stainless Steel Block. Aluminum Sheave runs on Nomex Teflon(tm) Bearing with Torlon Ball Bearings for low friction and strength. Universal Head Design allows block to swivel freely or lock in place. For boats to 65'. Specifications: Sheave Dia.: 4 in.(102 mm) Thickness: 1 1 2 in. (38 mm) Width: 4 in. (102 mm) Length: 8 9 32 in. (210 mm) SWL: 5000 lbs. (2270 kg)