Mitutoyo Outside Micrometer Digit 0 25mm x 0.01mm Hand Tools Mitutoyo Digimatic Micrometer 75 100mm without Mitutoyo Digimatic Micrometer 75 100mm without Data OutputAbsolute Encoder Technology Micron reading Auto power ON OFF function Easy to read LCD Constant force measuring with ratchet stop or friction thimble Carbide measuring faces Oil resistant materials used PW6 Thin Walled Rear Wheel Nut Socket 3 4"Dr 19mmThe wheel nut socket fits onto the inner nut 01mmMechanical Digit micrometer Ratchet stop for constant force Supplied with setting standard (except for 0 25mm 0 1" models) 01mm graduations Mechanical Digit Disk Micrometer Measures "root tangent" length of spur and helical gears Fitted with 20mm diameter anvils