Built for strength and durability, the grade 70 5/16-in. x 16-ft. chainassembly features tough clevis hooks and heat-treated carbon alloy steelconstruction. The strong, heat-treated steel build can easily secure heavy-dutycargo and has been 100% proof-tested to twice its initial working load limitfor a total capacity of 4,700 lbs. To protect the chain assembly from rust andcorrosion and to ensure years of service, a zinc-plated gold chromate coat hasbeen added.With a pair of sturdy alloy steel clevis hooks, the chain assembly provides astrong connection to anchor points. The grade 70 chain assembly is made to NACMstandards per specifications of the Department of Transportation & CCMTA fortie-down use with properly marked links and aluminum tags with stamped workingload limit information. Grade 70 Clevis Grab Hooks Available Sizes: 5/16″, 3/8″ or 1/2″ Available Lengths: 16′, 20′ or 25′ Sold as Each Available in the following sizes Item # Size Length WLL AI-45881-10-16 5/16″ 16′ 4,700 lbs. AI-45881-10-20 5/16″ 20′ 4,700 lbs. AI-45881-10-25 5/16″ 25′ 4,700 lbs. AI-45881-11-16 3/8″ 16′ 6,600 lbs. AI-45881-11-20 3/8″ 20′ 6,600 lbs. AI-45881-11-25 3/8″ 25′ 6,600 lbs. AI-45881-11-25 1/2″ 20′ 11,300 lbs. AI-45881-13-25 1/2″ 25′ 11,300 lbs. th, td { padding-right: 20px; } .product-table-top { display: block; max-width: -moz-fit-content; max-width: fit-content; overflow-x: auto; white-space: nowrap; }