Package Content: 1pc x M15 Stainless Steel Double Pulley, 2pcs x M15 Stainless Steel Single Pulley, Max Load: 35kg. 2360 Degree Swivel Ring: Can be used with indoor or outdoor ropes or wire ropes, the pulley can slide flexibly, effectively preventing the rope/cable/rope from tangling and hanging heavy objects to reduce the load. Sturdy and Durable: Heavy duty design, exquisite craftsmanship, durable, wear-resistant, strong bearing capacity, flexible rotation. Premium Materials: Anti-rust and wear resistance with solid structure, the surface is shockproof treatment, the main material of which is stainless steel. Widely Used: The pulley block is a lifting tool with strong load capacity. Can carry out lifting, adjusting or pulling work. Suitable for large kayak, canoe, factory, construction, transportation, mining. Suitable for garage, machinery loading, curtains, clothesline, mountaineering and indoor-outdoor fitness, etc.