Measure over-pin diameter of gears Resolution 0.001mm0.00005" IP54 dustwaterproof Button function: onoff, set, mminch, ABSINC, data output Data output SR44 or LR44 battery, automatic power off Ratchet stop Supplied with setting standards (except 0-25mm0-1") Optional accessary: ball tips (code 7391, next page), data output system