Feature: 1. [MAIN PURPOSE] The aperture gauge is mainly used to measure the inner hole of thin walled parts, the inner diameter of plastic pipes, etc.2. [MEASURING RANGE] The measuring range is 1‑6.5mm, with 0.1mm division value, has high efficiency and accuracy. 3. [STAINLESS STEEL] Made of excellent stainless steel material, hard and wear resistant, not easy to rust or corrode. 4. [ SCALE] There is engraved numeral scale on the cone , which can clearly observe the readings. 5. [SIMPLE STRUCTURE] The taper aperture gauge structure is simple and reasonable, and the measurement is convenient and quick. Specification: Item Type: Aperture Gauge Package List: 1 x Aperture Gauge |