Description: Type: Single-Pulley Block, fit for rope within 6-8mm/0.24''-0.3'' High quality alloy steel,durable, strong, waterproof,anti-high temperature, corrosion resistance. Function: Designed for hanging weight things to lighten load. Applications: Widely used in tractive effort of steel wire rope or other rope tools. Max Load: 500kg/1102 lbs Specification: Material: alloy steel Length: approx. 255mm/10'' Wheel width: approx. 70mm/2.76'' Suits for rope: approx. 6-8mm/0.24''-0.3'' Package Includes: 1 Piece Lifting Pulley Hook