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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.

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Uxcell M15 304 Stainless Steel Double Sheave Swiveling Head Lifting Crane Pulley Block 2pcs

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Stainless Steel Single Pulley Block, Heavy Duty Traction Wheel Swivel Hook Lifting DIY Steel Wire Rope Pulley Metal Sheave - China Pulley, Wire Rope Pulley

Uxcell 1 Lifting Crane Swivel Hook Pulley Block Hanging Wire Towing Double Wheel Zinc Alloy 2pcs | Harfington, 1/2 / 2pcs

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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.

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