Electronic Digital Micrometer, Ratchet Thimble, SPC Output No, Flat Anvil, Flat Spindle, Features Ratchet Stop, Certificate of Calibration, IP65 Waterproof, Pushbutton Controls, Preset Capability, Inch/Millimeter Conversion of Displayed Reading, Vernier Scale on Thimble, Includes Battery, Key Spanner, Fitted Carrying Case Technical Specification Item Electronic Digital Micrometer Thimble Ratchet SPC Output No Anvil Flat Spindle Flat Features Ratchet Stop, Certificate of Calibration, IP65 Waterproof, Pushbutton Controls, Preset Capability, Inch/Millimeter Conversion of Displayed Reading, Vernier Scale on Thimble Includes Battery, Key Spanner, Fitted Carrying Case Additional Information Outside Micrometers Electronic IP67 units provide protection against immersion. IP65 units are resistant to jet-directed and hose-directed fluids. IP54 units are water resistant. Zero set LCD In/mm selectable