Trailer Aid A fast, safe, easy way to change a flat without having to unload. Simply ride the good tire onto the jack and change your tire. For double Axle Trailers up to 15,000 lbs. loaded. Made of lightweight, high-strength, rust-proof polymer, with traction treads. Front holes and rear slots allow for easy handling. Use as a wedge chock when parked. Matte black or yellow finish with rounded corners. The bottom has cross mesh design for super strength. With 4 steel feet and traction treads for sure grip on all surfaces.

• Easily change flat tire on tandem wheel trailer even if you're alone
• Allows you to keep cargo in trailer while changing tire
• Simply drive the good tire up onto trailer aid
• Provides 4.5 in. of lift
• Lightweight, high-strength polymer