Usage Tips:Our Rope Hoist Pulley System is a must-have for all your lifting needs. The ability to lift both heavy and light items, it reduces the amount of work required and makes for a safe and dependable lifting experience. With its sturdy construction, it not break, wear, or fade. Perfect for boating and any other lifting needs. Product name: Block and Tackle Pulley System Experimental load: 2200LBS Rating load: 1100LBS Labor-saving index: 6 times labor saving Rope length: 15 meters/49.21ft Rope diameter: 9.5mm/0.37 inches Maximum usage distance: 2.5 meters/8.2ft Usage scenarios: Air conditioning hoisting and other scenarios Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Silver Material:alloy steel Package Contents: 1 * Block and Tackle Pulley System Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.