The Klein 1802-30SR is a block and tackle that is designed to lift a load of up to a maximum safe load of 750-pound. This block and tackle are made of high-quality rope to ensure strength and reliability. The set comes with galvanized-steel shell blocks, aluminum alloy bushing, and nylon rope. It also features an overall dimension of 12.096-inch L x 5.189-inch H x 4.5-inch W. Additionally, this product is not occupational protective devices and also not for human support. Klein Tools is the world leader in the design and production of quality products. In cooperation with Klein Tools, we at PlumbersStock carry high-quality and reliable products for a very affordable price. Grab yours now here at PlumbersStock.