Feature:

1. [MAIN PURPOSE] This aperture gauge is suitable for measuring the inner diameter and hole of thin walled parts, plastic pipes, etc.
2. [STAINLESS STEEL] Made of excellent stainless steel material, hard and wear resistant, not easy to rust or corrode.
3. [HIGH ACCURACY] The measuring range is 15‑30mm, with 0.1mm accuracy, has high efficiency and accuracy.
4. [SIMPLE STRUCTURE] The conical gauge has simple structure, and the measurement is convenient and quick.
5. [WITH SCALE MARKS] 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