Product Description: Material: Stainless Steel Type: Tapered Welding Gauge Measurement Range: 1-15 mm (1/64-5/8 inch) Accuracy: 0.1mm Content: 1 x Tapered Welding Gauge It is suitable for internal diameter determination, aperture measurement and clearance measurement, for diameters small holes, splits, etc. Precise numbers and increments are etched into the surface, easy to read. Metric and Stadard Reading - Weld Cone Gauge: 1-15mm (1/64-5/8") Polished, bright and clean without burr, laser etched line rust and not fade. The structure is simple and reasonable, easy to measure. Place the gauge on the clearance or aperture and read the measured value. Made of stainless steel, miniature and lightweight, easy to carry. Feature: < p>1. Precise figures and increments are etched into the surface, easy to read 2. Polished, bright and clean without burr, laser etched line of rust and will not rub off 3. Made of stainless steel, miniature and light weight, pocket size 4. For accurate measuring of cylindrical bores, helping you to get the correct size for repairing/replacing wall wart cords etc. 5. Solder Cone Gauge: 1-15mm (1/64-5/8 inch) 6. Possible measurements in inches or millimeters