Smooth operate Systems: Equipped with ball bearings, it reduces friction by 30% and operates quietly, ideal for workshops and home garages requiring quiet Wide Applications: Suitable for lifting, hoisting, and daily item handling, making it essential for warehouses, factories, and professional like construction workers and logistics managers High Load Capacity: Made from 304 stainless steel, this pulley set supports up to 250kg, ensuring and stability for heavy duty lifting in industrial and construction setting Easy Installation Design: Comes with a detailed manual and full installation accessories, allowing setup in 10minutes without extra tools, perfect for DIYers and beginners Rust Resistant: Specially treated 304 stainless steel super rust and oxidation resistance, extending usage 3x longer than standard pulleys for outdoor and marine use, Manufacturer: ZBIianxer