【UPGRADED MATERIAL】:Diamond braid polypropylene fibers rope soft, strong, and light weight that can be used for a variety of purposes. Rust-proof zinc-plated housing with alloy steels hook, metal bearing to resist rusting and it lasts longer than normal【IMPROVES LIFTING CONVENIENCE】:The block and tackle pulley system with metal wheels with bearing structure, more labor-saving and providing smooth operation; 8:1 lifting power can minimize the work you have to put in when lifting【4400LBS CAPACITY】: With 4400lbs breaking strength, this heavy-duty pulley will lift both heavy and light stuff; No worrying about damage due to excessive load【STABILITY & RELIABILITY】:PASSED 2T RATED LOAD TENSILE TEST, greater security, and reliability; And no matter what questions you may have, our customer satisfaction team is happy to give you a helping hand !【WIDE APPLICATION】: Perfect hoist pulley system for sportsman,people with disabilities or back problems.While it can be used for a wide range of applications: hunting, boating, lifting, garage, pets, tree cutting, DIY attic, and many more uses