Ratchet Chain Binder 5/16'' x 3/8'' Meets FMCSA and DOT specifications. Heavy duty load binder that utilizes a ratcheting action to quickly and easily tighten down tie down chains, using a forged steel handle for maximum leverage. Quantity: 1 For 5/16" Grade 70 Chain or 3/8" Grade 43 Chain Working Load Limit: 5,400 pounds Break Strength: 16,200 pounds