The Nut and Bolt Thread Checker is an essential tool for anyone working with a wide range of fasteners. It instantly identifies 28 unique thread sizes, covering both Metric and Imperial standards, ensuring compatibility and precision in every application. Metric Threads: This checker accommodates Metric thread sizes from M4 x 0.7 to M14 x 2.0, providing a comprehensive range that covers most common metric fasteners used in various mechanical, automotive, and household applications. Imperial Threads: For those working with Imperial measurements, it includes threads from #6 - 32 Coarse to 1/2 - 20 Fine. This broad selection supports both coarse and fine threads, making it ideal for projects involving American standard hardware. Quick and Easy Identification: The tool allows you to quickly match nuts and bolts without the hassle of trial and error, saving time and avoiding potential mistakes. Each gauge is clearly marked with size details, so you can confidently select the correct fastener for your project. Durable and Portable Design: Made from high-quality, durable materials, this thread checker is built to withstand regular use in demanding environments. Its compact and organized design makes it easy to carry in a tool kit or keep on a workbench for immediate access. Whether you're a professional mechanic, a builder, or a DIY enthusiast, the Nut and Bolt Thread Checker provides an efficient, reliable way to measure and verify thread sizes, helping you achieve precision and accuracy in every job.