Feature:1. UPGRADE MATERIAL: Rope hoist pulley system with rustproof galvanized housing, nylon roller with forged hoist cable hook, rustproof, sturdy than plastic housing; The strong nylon rope puller ensures that will not break or be damaged under the harshest conditions2. HEAVY LOAD CAPACITY: With a breaking strength of 4,400 pounds and a load cover block and tackle system of 1,100 pounds, this heavy duty crane can lift heavy loads and weights; There is no need to worry about damage caused by excessive load3. IMPROVED LIFTING CONVENIENCE: The 8:1 lifting power of the block and hoist system minimize the amount of work required when lifting, allowing you to lift heavier things; And you can do all the work with blocks and tackles without electricity or help4. WIDE APPLICATION: Great lifting pulley system for athletes, disabled people or people with back problems, can also be used for other applications, such as boating, lifting, garages, pets, cutting trees, etc.5. STURDY MATERIAL: Heavy duty rope hoist pulley system is made of alloy steel material, with high strength, high toughness, wear proof, erosion proof, high and low temperature proofSpecification:Item Type: Rope Hoist Pulley SystemMaterial: Alloy steel.Package List:1 x Rope Hoist Pulley System