VEVOR Transport Binder Chain, 2222 kg Working Load Limit, G80 Tow Chain Tie Down with Grab Hooks, DOT Certified, Galvanized Coating Manganese Steel for Dock Factory Construction SiteProduct Features G80 Standard This transport binder chain is Grade 80. It has outstanding tensile strength. The length of the chain is 20 ft and the diameter is 5 16 inch. The breaking strength is greater than 800 Mpa. 4900 lbs Load Capacity The working load capacity of our chain is 4900 lbs. It has 4: 1 security factor, which means the limit load is 4 times larger than the security load. Thanks to these features, you can use it with no worries.