Two pulley design reduces friction for effortless rope movement, enhancing work efficiency in warehouses and construction sites These 304 stainless steel double pulley blocks up to 500kg, ensuring safe lifting and towing of heavy objects Perfect for construction teams and workers handling heavy loads Made with premium 304 stainless steel, offering longer life than aluminum pulleys Ideal for marine and environments due to rust resistance Simple design allows setup within 5 minutes without tools, enabling quick deployment for temporary or multi scene applications Suitable for lifting, hoisting, and towing in industrial and household settings Great for mechanics, movers, and DIYer enthusiasts managing heavy objects safely, Manufacturer: ERRORY