Trailer safety chains, don't leave home with them. Safety chains are a key piece of trailer equipment. In the event the trailer coupler or hitch fails, the only thing preventing your trailer from passing you on the road are the safety chains. There are different class ratings for different weights on safety chains, trailer hitches, ball mounts and balls. Be sure to match all components to be greater than your trailers total gross weight to ensure complete safety. Trailer safety chains come in cable and chain material. Some trailer manufactures use the cable for safety chains as the retract and do not drag when not hooked up. Be sure to replace and worn or rusted safety chains and ball mounts. With rock bottom prices and lightning fast shipping, Wholesale Marine has all the trailer hitch and chain parts you need to get back on the road safely.