HEAVY DUTY SWIVEL HOOK: Made of high-quality alloy steel, the Grade 80 heavy-duty swivel lifting hook is heat-treated to ensure strength and toughness.Spraying and galvanized coating treatment, the swivel chain hook is waterproof and not easy to rust. 360FREE ROTATION: The well-designed rigging swivel hook allows for smooth 360-degree rotation for easy lifting and hoisting tasks. Please note that although the hook can be rotated into position, it is not suitable for rotation under load. 7 TONS OF CAPACITY: Our swivel hoist hooks support a working load limit of 7 tons (15400lbs). Be sure the load does not exceed the 7 ton(15400lbs) capacity and never exceed the specified working load limit of the hook to ensure safe use. DURABLE REUSABLE: The G80 swivel lifting hook is reusable due to its robust material, ensure that the lifting hook is loaded in a straight line when in use to maximize safety, do not tilt the hook or load it sideways SAFE VERSATILE: Rotating hoist hooks with safety latch, it is easy to operate for installation and uninstall. Therefore, the self-locking swivel Hook for flatbed trailers, trucks, cranes, tractors and transportation towing.