Insize 3532-25A, DIGITAL BLADE MICROMETER (6.5×0.75mm), 0-25mm/0-1″, 6928640305375

Resolution 0.001mm/.00005″
Measure the groove diameter of shafts and keyways.
Non-rotating spindle.
Button function: on/off, set, mm/inch, ABS/INC
Data output. LR44 battery, automatic power off