Rust-proof zinc-plated housing, safety hooks hold hoist safely in place; Along with 2pcs 18-inch Soft Loops Metal wheels with bearing structure, more labor-saving; Soft loop, Strong, long lasting polypropylene rope 50 Feet of 4.5mm Poly Rope with 2000 Breaking Strength and 1000 lbs Load Cap; ideal for lifting small and large items The pulley system has a 5:1 lifting power ratio, allowing you to lift heavy objects with 1/6th of the force. Able to lift heavy objects easily with one hand. The maximum working distance of 3 wheel pulleys is 8 feet Heavy-duty block and tackle mechanism does almost all the work, perfect for sportsman: hunting, boating, lifting, garage, deer, tree cutting, diy attic, and many more uses