IHI3907 Features: * Brake Rotor Gauge measures wear dimension of the brake rotors (Range: 0"" - 6"") * Zero setting any position * Resolution / repeatability 0.0005"" X 0.01mm * Measures wear dimension of the brake rotors * Digital rotor gauge is uniquely designed with several quality features * Measures break Rotors and ball joints * Manual power on/off switch allows for quick and easy start * Rotor gauge comes stored in a case so safe and secure * 6 - 150mm length * 3-1/2 Throat depth Includes: * Includes: Metric/Inch system interchange at any position * Also includes the data out put interface Dimensions: * Dimensions: 2"" H x 7.4 "" W x 13.1"" L Warranty: * 30 Day warranty on material and workmanship