Digital Interchangeable-Anvil Outside Micrometer Range 36 in to 40 in 900 to 1000 mm Resolution 0.0001 in/0.001 mm Accuracy +/-0.00067 in IP Rating IP65 SPC Output Yes Data Output Type Cable Wireless with Transmitter Long Form Calibration Certificate No Anvil Shape Flat Anvil Size 0.315 in Coolant Resistant Yes Dimension Type Inch/Metric Operation Type Digital Thimble Type Ratchet Anvil Material Carbide Battery Size LR44 SR44