The four suspension chains are 6mm in diameter and feature a butterfly buckle design. The G80 manganese steel chain material is sturdy, durable, and has a long service life. Various specifications of suspension chains are available, suitable for equipment installation, factory lifting and transport, hoisting, construction and civil engineering, ships, and more. Sling chain parameters: Total length: approx. 170cm Working load limit (when using 2 chains): 2t Working load limit (when using 4 chains): 3t Chain size: 4-leg, 6mm diameter Hook opening: approx. 3.0cm