This great tool is a must 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. Includes gauge and wheel mount (fits most wheels from 13" to 18"). Displays Camber +/- 4deg / Caster -4deg to +12deg. Saves time and tires. Accurate, rugged and easy-to- use. Includes toe arms, bungie cord and tape measure. California Residents WARNING