Insize 3241 B1 Mechanical Depth Micrometer, 0 to 1 in, Inch, 0.001 in Resolution G4392544 BIT 3 8 DR T50 TORX BIT 3 8 DR T50 TORX Hold driving pin when striking with hammer 001 in Number of Measuring Rods 1 Long Form Calibration Certificate No Thimble Ratchet Movement of Screw 1 in Number of Gauges 1 Rod Type Solid Includes Rods with Flat End Anvil Flat Rotating Spindle (Yes No) Yes Features Top Installing Rods for Increased Stability Spindle Flat Lock Nut Type Screw Anvil Material Steel Spindle Material Steel Included Certification No Anvil Shape Flat Maximum Measurement Inch 1 in Minimum Measurement Inch 0 in Operation Type Mechanical Spindle Shape Flat Thimble Type Ratchet Case Included Yes Accuracy + 0 Mechanical Depth Micrometer