Feature:
1. This aperture gauge is suitable for measuring the inner diameter and hole of thin walled parts, plastic pipes, etc.
2. Made of excellent stainless steel material, hard and wear resistant, not easy to rust or corrode.
3. The measuring range is 15‑30mm, with 0.1mm accuracy, has high efficiency and accuracy.
4. The conical gauge has simple structure, and the measurement is convenient and quick.
5. The surface of the aperture gauge has scale marks, which can clearly observe the readings.

Specification:
Item Type: Aperture Gauge
Material: Stainless Steel
Measuring Range: Approx. 15-30mm / 0.6-1.2in
Type: Thread Gauge
Accuracy: 0.1mm

Package List:
1 x Aperture Gauge