Specialty Products Company (SPC) 91025 Off-Road Fastrax Align off-road wheels with tire sizes up to 44 inch. It is for your garage or shop. Portable, hands-free alignment can be done quickly and easily. Extended toe arms make it easy to measure toe on all off-road tires. It includes gauge and wheel mount (fits most wheels from 13 inch to 18 inch). Displays Camber +/-4 degree/Caster -4 degree to +12 degree. Saves time and tires. Accurate, rugged and easy-to-use. It includes toe arms, bungie cord and tape measure.