Digital Outside Micrometer, Range 0 in to 1.2 in, 0 to 30.8 mm, Resolution 0.00005 in/0.001 mm, IP Rating IP54, SPC Output Yes, Data Output Type Cable, Long Form Calibration Certificate No, Coolant Resistant No, Dimension Type Inch/Metric, Operation Type Digital, Thimble Type Ratchet, Anvil Material Carbide, Anvil Shape Flat, Case Included Yes, Display Type LCD, Includes Key Spanner, Includes Battery Yes, Lock Nut Type -, Maximum Measurement - Inch 1.2 in, Maximum Measurement - mm 30.8 mm Outside MicrometersElectronic � Zero set LCD In/mm selectableIP67 units provide protection against immersion. IP65 units are resistant to jet-directed and hose-directed fluids. IP54 units are water resistant.