Working Load Limit(WLL): 5,400 lbs. Breaking Load: 21,600 lbs. Forged 5/16 chain hook is perfect for connecting heavy-duty safety chains or securing transport binder chains Widely Application: heavy-duty 5/16 inch Clevis Hook can be used on utility trailers, flatbread trailers, trucks, lifting machinery, fishing boat and crane, etc High-quality Material: Tow chains hook is made of heavy duty forged alloy steel, with zinc-plating on the surface for long life, strong and durable Ready for Transport Chains Tow: Attach chain grab hook to G70 transport chains for safe, non-slip handling. Clevis grab hook fits for chain measuring 5/16 inches COMPLIANCE AND GUARANTEE: Each hook meets FMCSA and DOT requirements, backed by a guarantee. We don’t just meet industry standards; we define them. Grab Hooks