■ Measure wall thickness of tubes ■ Resolution 0.001mm/0.00005" ■ IP54 protection level ■ Button: on/off, set, mm/inch,ABS/INC, data output ■ Automatic power off ■ Data output ■ Ratchet stop ■ Carbide measuring faces ■ Supplied with setting standards (except 0-25mm/0-1")