PROGRIP 03 Marine Fishing and Ski Boat Tie Downs: Retract Ratchet with S-Hook, 4' x 1 7/8" (Pack of 1) Retractable Tie down strap ideal for trailering, fishing and skiing boats from storage to the water To use, bolt frame of the ratchet to trailer, place s-hook on boat anchor point, and use ratchet application to secure; use 2 way release to unfasten Designed for marine use, strap is made with tensile polyester webbing that allows less stretch than comparable nylon tie downs even when wet and aids in resistance to UV rays, mildew, and shrinkage Easy to use and secure ratchet tie down can be bolted to any metal, wood, or fiberglass surface; large handle has comfort grip for quick application Recommended to be used together to ensure safe transport although can be used alone; Pack of 1 Ratchet Tie Downs measure 4' x 1 7/8" with 3,000 lb. break strength and 1,000 lb. working load limit