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Package Content: 1pcs x Crane Pulley Block; Main Material: 304 Stainless Steel.
Sheave diameter: 32mm / 1.26 inch.
Overall height:94mm / 3.7 inch.
Sheave U width:12mm / 0.47inch ; Accept Max Weight: 250kg.
360 degrees rotation to prevent rope from knotting for convenient use.
Features: Package Content: 1pcs x Crane Pulley Block; Main Material: 304 Stainless Steel; Sheave diameter: 32mm / 1.26 inch; Overall height: 94mm / 3.7 inch; Sheave U width:12mm / 0.47 inch ; Accept Max Weight: 250kg Description: A Crane Pulley Block is a kind of hoisting tool, also called a sheave, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference. A rope, cable, belt, or chain usually runs over the wheel and inside the groove, if present. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.