Ronstan 60mm Single Core Block Single Sheave(45mm) Sheave Diameter: 1 1/2" (38mm)

Sheave Diameter: 1 1/2" (38mm)

H: 3 17/32 in

Thickness: 1 3/8" (35mm)

Why a boom brake

Diameter - 25/64 inch

Ronstan 60mm Single Core Block Single Sheave(45mm) Sheave Diameter: 1 1/2" (38mm)Product Description Ronstan 60mm Single Core Block Features Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Durable aluminum alloy cheek plates Central hub hole can be used as a becket take off or tie up point Universal head with full 3 axis articulation Shackle head lockable at 0 or 90 degrees Alloy Rope Wire sheave version also