We offer discount for large quantity. Welcome to us!Crane pulley M15 crane swivel hook single pulley pulley pendant lamp towing wheels 10 piecesProduct name: crane pulley Main Material: 304 Stainless Steel Weight: 435G; Pulley size: 15x10mm/0.59x 0.4 inch (D*t)Pulley quantity: single pulley; Overall Size: 62 x 21 x 16mm/2.4 x 0.83 x 0.63 inches (L * W * t) Main Color: Silver tone; For the Dia rope. : 6mm/0.24 inch Swivel eye inner size: 14x11mm/0.55x0.43 inch (L*W); Swivel Eye Thickness: 4mm/0.16inA crane pulley is a type of lifting tool, also called a pulley, is a mechanism composed of a wheel on an axle or shaft that can have a groove between two flanges around its circumference. A rope, cable, strap, or chain typically runs through the wheel and inside the groove, if present. Pulleys are used to change the direction of an applied force, transmit rotary motion, or realize a mechanical advantage in a linear or rotary motion system. Designed for use with rope or twine in indoor and outdoor applications, but only pulley here, rope is not included. Package contents: 10 pcs. x crane pulleyOnly the above package contents, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/