M15 Lifting Crane Swivel Hook Single Pulley Block Hanging Wire Towing Wheel 10pcs Glass Clamps like printing industry

like printing industry

plunger spring return

logo plates

Type: Closed

transmit rotational motion

M15 Lifting Crane Swivel Hook Single Pulley Block Hanging Wire Towing Wheel 10pcs Glass Clamps like printing industryA 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