High load bearing capacity with premium alloy steel construction, supporting up to 2204lb / 1ton per pulley for stable in construction site and warehouses Versatile application compatible for up to 14mm / 5.51in diameter ropes, steel cables, and chains, perfect for construction, logistics, marine use, and various lifting tasks Quick install design with fastening clips enables setup in just 5seconds, ideal for transport industries and projects requiring frequent adjustments Smooth rolling featuring precise bearings that reduce friction to 0.05, ensuring effortless movement of heavy objects like furniture and industrial equipment Rust resistant surfaces extends durability by 2x compared to standard pulleys, suitable for harsh environments like mining and outdoor operations, Manufacturer: Greabuy