Mitutoyo Depth Micrometer with Interchangeable Rods. Specifications include... 0-6" / 150mm Measuring Range .00005" / 0.001mm Resolution 4" x 0.63" Base Features include... 4mm interchangeable rods, with lapped measuring end, provide a wide measuring range. The rod length can be adjusted in 25mm or 1in increments. With ratchet stop for constant force. With measuring rod clamp. With SPC output. Supplied in fitted plastic case. Functions include... Origin-set, Zero-setting, Data hold, Data output, inch/mm conversion (inch/mm models) Alarm: Low voltage, Counting value composition error