Don't let a flat tire ruin your trip. The Trailer-Aid allows anyone to change a flat tire anywhere, anytime, without help, without a jack. And most importantly, without unloading the animals. Simply drive your good tire onto the Trailer-Aid which lifts the flat tire off the ground. Replace tire and drive off Trailer-Aid. Made of lightweight, super-strong polymer. 15,000 lb capacity. Lifetime warranty. Trailer-Aid Plus is designed specifically for recreational trailers. Provides an additional 1" lift. Handy for performing maintenance on brakes, wheels and axles. With Trailer-Aid you're on the road again in minutes.