Coolant proof micrometer series 293-with dust/water protection conforming to IP65 level, IP65 protection level, enabling use in environments exposed to cutting oil. Anti-corrosion treatment is required after use. Measurement data output function is available with a water-resistant connection cable. Auto power on/off function. Certificate of inspection is included. It is not the type used to obtain calibration certificates. With a standard bar except for 0-25 mm/0-1 inch model. Supplied in fitted case. Plastic case up to 150 mm/6 inch, wooden box over 150 mm/6 inch.