The Mitutoyo Digimatic Holtest digital internal micrometre features self-centring anvils evenly spaced at 120? with contact points coated in Titanium Nitride (TiN) to provide accurate, sensitive measurements that are highly durable. Precision-machined gears ensure reliable, repeatable measurements that are shown on a large, easy-to-read LCD display in an impact and water-resistant housing. The holtest's ratchet stop mechanism provides a constant measuring force on the hardened-steel spindle to ensure accurate, even measurements.

The Mitutoyo 468-163 Digimatic Holtest Internal Micrometer has the following specifications:
Range: 10-12mm
Resolution: 0.001mm
Accuracy: +/- 0.002mm
Measuring Depth: 59mm
Measuring Method: 3-Point
Contact Point: TiN Coating
Main Body Assembly: 04AZB106