Where we connect, we connect with solid steel. Updated and more apt than its hollow counterparts, this means our trailer hitch extender provides unparalleled strength and stability. G80 Standard: This shipping strapping chain is grade 80.Has excellent tensile strength.Chain length is 20 feet and diameter is 3/8 inch.The breaking strength is greater than 800Mpa. 7100 lbs Load Capacity: The working load capacity of our chains is 7100 lbs.Its safety factor is 4:1, that is, the ultimate load is 4 times the safe load.Thanks to these features, you can use it without any worries. Secure & Reliable: This transport chain complies with DOT requirements and each section has embossed markings.It resists wear and tear from heavy objects.Use within safe load range.If you have any questions, please feel free to contact us. Premium Material:The chains and hooks are all galvanized, rust-proof and beautiful.The chain with grapple is made of alloy steel and has a solid pivot pin for strength and durability. Apply It Anywhere: Ideal for factories, construction sites, mining activities, ports, etc.Heavy-duty chains are designed for the safe towing and transportation of cargo.