The igaging digital micrometer uses the absolute encoding technology in which the sensor memorizes and traces an absolute origin zero position. Quickly measure with super high precision. Features ul style"margin-top0px; padding-top 5px; padding-bottom 5px;" lever activated - fully opens and closes in less than one second linear moving sensor provides accurate and reliable measurements ip65 coolant proof measuring range-0-1"/0-25mm carbide tipped spindle resolution 0.00005"/0.001mm accuracy 0.00015"/0.003mm fixed thimble spc/usb data output ball attachment included case included