Mitutoyo Holemike Set - Complete Gages The performance of the well-established Mitutoyo Holtest series, well-known for their highly stable three-point self-centering action, has been enhanced by coating the contact surfaces with titanium nitride for longer life. Features include... Large LCD readout. Functions available: Presetting, Zero/ABS, power On/Off Data hold, Data out put, Error alarm, Battery replacement alarm. With Ratchet Stop for constant force. TiN-coated measuring contact points. Specifications include... 1" - 2" / 25.4-50.8mm Measuring Range 0.00005" / 0.001mm Resolution Set includes... Complete Gage with Display Unit for each size 1" - 1.2" Measuring Range 1.2" - 1.6" Measuring Range 1.6" - 2" Measuring Range 1.2" Setting Ring 1.6" Setting Ring