Mitutoyo Micrometer 129-132 The Mitutoyo 129-132 depth micrometer with interchangeable rods measures a wide range of depths with high accuracy. A Vernier scale provides precise measurements in fine units. The Mitutoyo interchangeable rod type depth micrometer offers great versatility for measuring a range of depths with the included extension rods. The depth micrometer’s rod contact measuring points are lapped and carbide tipped for incredible flatness and better precision. The ratchet stop mechanism provides uniform pressure for precise, repeatable measurements. Mitutoyo Micrometer Features: Mechanical depth micrometers are used to measure the depth of holes, slots, shoulders, and other projections. They’re operated with a high-precision ratchet PGRI LU]KDI. Measurements are read on a vernier scale. Interchangeable measuring rods with different depth ranges can be used with these micrometers. Measuring rod clamps provide added measurement stability ø0.15 inch interchangeable rods with lapped measuring ends provide a wide measuring range Satin chrome finish Rod length can be adjusted in 1″/25mm increments Range / 0 inch to 6 inch Resolution / 0.001 inch Accuracy / +/-0.00015 inch Long Form Calibration Certificate / No Base Length / 4 inch Base Style / Full Dimension Type / Inch Number of Measuring Rods / 6 Operation Type / Mechanical Rod Diameter / 4 mm Anvil Material / Steel Anvil Shape / Flat Case Included / Yes Case Type / Plastic Lock Nut Type / Rod Maximum Measurement - Inch / 6 inch Minimum Measurement - Inch / 0 inch Number of Gauges / 1 Rotating Spindle (Yes/No) / Yes Spindle Material / Steel Spindle Shape / Flat Thimble Type / Ratchet