Tubular Inside Micrometer with Extension

The 140 series models provide an accurate and flexible solution for measuring large internal diameters, allowing the same micrometer to be used for various internal diameters without the need for separate instruments. The model is practical for machine shops, measuring laboratories, and workshops.

Features:
- Measuring range: 40 - 80" (Drum and included extension arm combinations)
- Extension arms: 5 extension arms included in the package
- Contact surfaces: very hard, wear-resistant measuring tips made of tungsten carbide suitable for industrial use and continuous measurement of hard materials
- Scale: 0.001" analogue reading
- Measuring type: 2-point inside diameter measurement for holes, bushings, tubes, and cylinders.