Unique Bargains M20 304 Stainless Steel Lifting Crane Swivel Hook Single Pulley Block 10pcs

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. Designed for use with rope or cord in indoor and outdoor applications,?but?only pulley here, rope is not included.

Weight: 615g; Sheave Size: 20 x 11mm/ 0.8" x 0.43"(D*T) Sheave Quantity: Singe Sheave; Overall Size: 76 x 24 x 16mm/ 3" x 0.94" x 0.63"(L*W*T) Main Color: Silver Tone; For Rope Dia.: 7mm/ 0.28" Swivel Eye Inner Size: 19 x 13mm/0.75" x 0.51" (L* W ); Swivel Eye Thickness: 5mm/0.2"