IQC1067 Features: * Capacity: 6 tons (5,443 kg) * Heat-treated steelThis is used as an accessory with draw bars or chain. Use a pair with triangle or oval loop as a chain sorter, double hook, or bumper hook. Designed for use with 3/8" chain. It"s very durable and easy to use! * Double Claw Hook Dimensions: * Overall Length: 5" (127 mm) * Weight: 2 lbs (.91 kg) Warranty: * Lifetime warranty does not cover abuse