Mitutoyo 137-215 Series 137 Tubular Inside Micrometer, Hardened Face, 2-60"

This is an extension rod type inside micrometer.

Features:

• Interchangeable extensions with cylindrical gage rods are spring-mounted in protective sleeves so you can extend the measuring range.
• Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head.
• Supplied in fitted wooden case

For more information, please see Data Sheet