The anvil and the spindle have a blade for measuring the groove diameter of shafts, key ways, and other hard-to-reach areas.
? With Ratchet Stop for constant force.
? With a standard bar except 0-25mm and 0-1″ model.
? Origin-set, Zero-setting, Data hold, Data output, inch/mm
? Conversion (inch/mm models)
? Alarm: Low voltage, Counting value composition error
? Supplied in fitted plastic case.

Specifications:
? Range: 1-2″/25.4 – 50.8mm
? Accuracy: +/- 0.00015″
? Resolution: 0.00005″/0.001mm
? Parallelism: 0.003mm / 0.00012″ for models up to 75mm / 3″
? (3+R/100) microns for models over 75mm,
? R = max. range (mm) 0.00016″ for 4″ models
? Display: LCD
? Battery: SR44 (1 pc.), 938882
? Battery life: Approx. 1.2 years under normal use