Working Load Limit (WLL) is the max cargo weight Tie-Down can safely handle and accommodate forces caused by speed, road conditions, or emergencies. Industry standard for WLL is 1/3 the Break Strength Quality and Durability: Keeper 30 ft. Ratchet Tie-Down features an abrasion- and rot-resistant 3 in. Hi-Test webbing to absorb shock during transportation. Securing Features: Constructed with a steel ratchet buckle, an open standard handle and zinc-coated chain ends with hooks. How To Use: To engage attach hook to anchor point, pull webbing over the cargo load and tug to the desired tension. Rachet by raising and lowering the handle to lock your cargo into place. Ideal Use: Great for securing cargo and equipment to your vehicle with a 5,000 lbs. working load limit. Before use, always be sure to confirm the size of the cargo before using this tie-down strap.