Specification Brand : Agatige BulletPoint1 : MEASURING RANGE: The taper aperture gauge measure tool with structure design. The measuring range is 15‑30mm, with 0.1mm division value, has high efficiency and accuracy. There is engraved numeral scale on the cone surface, which can clearly observe the readings. It is convenient and quick measurement BulletPoint2 : MAIN PURPOSE: The aperture gauge is mainly used to measure the inner hole of thin walled parts, the inner diameter of plastic pipes, etc. You can directly insert the aperture gauge into the aperture, diameter, and tube inner diameter to measure, and obtain accurate values BulletPoint3 : STAINLESS STEEL TAPER GAUGE: Hole Tapered Ruler is made of excellent stainless steel material, not easy to or corrode to ensure long lasting use, and wear product. The inner diameter gauge tool is made of excellent stainless steel material, hard and sturdy, not easy to deform BulletPoint4 : SIMPLE STRUCTURE: The taper aperture gauge structure is simple and reasonable, and the measurement is convenient and quick. This taper welding gauge designed with a pocket size and lightweight for easy carry and use, you can simply keep it in your bag, and no worry about feel tired after a long time working BulletPoint5 : PACKAGE LIST: Inspection Measurement Tool package include 1 x Aperture Gauge. You can take it to the place that you want. . Bring you a new and different using feeling. A great choice for you Color : Silver ExternallyAssignedProductIdentifier : 7680440016668 IncludedComponents : No ItemDisplayWeight : 1.66 pounds ItemName : Hole Tapered Ruler, Taper Aperture Gauge, 15‑30mm Stainless Steel Conical Inner Diameter, Inspection Measurement Tool for Plastic Tubes DIY Equipment Thin Walled Parts DIY Hardware ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : hole-gauges Manufacturer : Agatige Material : Carbon Steel MeasurementAccuracy : 0.1mm ModelName : Estink3wgv5ndr0p-12 ModelNumber : Agatigeg4g2ikpv39 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Agatigeg4g2ikpv39 ProductDescription : [MAIN PURPOSE] This aperture gauge is suitable for measuring the inner diameter and hole of thin walled parts, plastic pipes, etc. [STAINLESS STEEL] Made of excellent stainless steel material, hard and wear resistant, not easy to or corrode. [HIGH ACCURACY] The measuring range is 15‑30mm, with 0.1mm accuracy, has high efficiency and accuracy. [SIMPLE STRUCTURE] The conical gauge has simple structure, and the measurement is convenient and quick. [WITH SCALE MARKS] The surface of the aperture gauge has scale marks, which can clearly observe the readings.