Digital Interchangeable-Anvil Outside Micrometer Range 20 in to 24 in 500 to 600 mm Resolution 0.0001 in/0.001 mm Accuracy +/-0.00047 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