Mitutoyo 368-165 Holtest 3-Point Internal 16-20mm Micrometer

Features:

• The scale on the thimble and sleeve is laser etched for easier reading in all conditions
• Supplied in a fitted plastic case

The Mitutoyo mechanical Holtest internal micrometer features three hardened steel anvils evenly spaced at 120° for true alignment of the axis bore for accurate, easily repeatable measurements. Contact points are coated with Titanium Nitride (TiN) for added durability and precision. The Holtest's ratchet stop mechanism provides a constant measuring force on the hardened steel spindle to ensure accurate, even measurements.