Easily measure both imperial and metric fasteners, including coarse and fine thread pitches. This gauge provides measurements for diameter, thread pitch, and length for most bolts and screws. Designed for both hobbyists and professionals, this gauge delivers accurate measurements to simplify projects and improve efficiency when working with bolts and screws. It helps you quickly determine the correct size in both imperial and metric systems. Built for precision and durability, the gauge uses durable materials and costefficient manufacturing techniques to deliver longlasting performance. Its sturdy construction ensures reliable readings over years of use, helping you avoid incorrect replacements and save money in the long run. A versatile tool for a range of tasks, from automotive repairs to home improvement projects. It covers a wide range of dimensions, including imperial length from #4 to 1 inch and metric fasteners from 3 mm to 22 mm. 23 practical use scenarios Automotive : identify the correct bolt size and thread pitch when replacing fasteners, ensuring you the right part the first time. Home improvement: verify screw and bolt sizes for furniture assembly or hardware installation to match specifications. Machinery or bike maintenance: check fastener sizes during servicing to ensure compatibility with replacement parts and accelerates reassembly.