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Sheaves and sheave straps are essential hardware for extension spring garage doors. Sheaves are grooved wheels with a bushing that spins to lift the garage door with cables. Sheave straps are U-Shaped metal pieces pre-cut with holes for installation on the sheave. Sheave Straps hook to garage door springs and mount to the brackets on the wall acting as a fixed pulley. All single sheave pulleys from Action Industries are made from high quality materials and are built to last.
Sheaves and sheave straps for extension spring garage doors
Transfers pull of the springs to open the door
Sheave straps hook to springs and hold sheaves
Sheaves are grooved wheels designed for garage door cable
Act as a pulley block to lift the door
Available in 3 inch and 4 inch sizes
3” Sheave - DA063-SH-H
4” Sheave - DA064-SH-H
3” Sheave Strap - DA063-ST-H
4” Sheave Strap - DA064-ST-H