The product equips with heavy duty capacity with very practical design and super solid structure.ensure its practicability in the work of highly performance. Easy installation and convenient to use, make your work easier. 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. Features - Color: As Shown. - Material: Aluminum Alloy. - Size: 13.00X7.50X2.00 cm/ 5.11X2.95X0.79 inch. - Made from aluminium alloy makes it sturdy, the sliding pulley is rust-proof and can hold more pounds of force. - Heavy duty strong structure. Designed for hanging weight things to lighten load. - Hanging wire towing wheel with smooth turning wheel, rotation to prevent rope, cable, wire from knotting. - Opens and closes smoothly as the spring- loaded gate makes it easy to attach important items to it. - Our great combination work great as lifting single pulley, traction pulley, crossing pulley and indoor outdoor fitness, etc.