Mitutoyo 139 201, 1.5" 12" X .001" Tublar Inside Micrometer

Amazon

Used to measure a wide range of ID measurements 1/2" Travel mic head Size in marked on each extension tube Clear graduations on satin chrome finish mic head Supplied in a fitted plastic case

Radwell UK

MECHANICAL INSIDE TUBULAR MICROMETER: 1.5000 TO 12.0000"139-201