Feature●WIDE-RANGING SIZE DETECTION - Our Nut and Bolt Thread Checker instantly identifies 28 distinct sizes, encompassing Metric thread sizes from M4 x 0.7 to M14 x 2.0, and Imperial threads from #6 - 32 Coarse to 1/2 - 20 Fine. A one-stop-shop for all standard hardware verification.●【Efficient Bolt and Nut Identification】 Our bolt and nut thread checker allows for quick and effortless sorting of scattered screws and bolts, enabling you to identify the type of bolt or nut within 2-3 seconds. This efficient solution saves time and minimizes costs associated with sorting.●【28 Comprehensive Gauges】 With 14 metric sizes and 14 standard sizes, our thread checker includes both imperial and centimeter rulers, covering a wide range of metric thread sizes from M4 x 0.7 to M14 x 2.0, as well as standard thread sizes from #6 - 32 coarse to 1/2 - 20 fine.●【Rugged and Long-Lasting】 Crafted from durable 6061 aluminum with an anodized finish to prevent corrosion, our main bolt and nut identifier gauge is built to withstand heavy use. The steel bolts are of high quality and precision manufacturing, ensuring compliance with standard specifications and resistance to wear and corrosion.●【Convenient Portability】 Designed to be easily hung or laid flat, our thread checker boasts wall-mounting holes and four plastic support stands, providing the flexibility to place it on a workbench and measure thread specifications at any location.●【Sturdy and Portable】 Made from lightweight 6061 aluminum with easy-to-read laser-etched markings, our thread checker is sturdy and portable, making it easy to transport to various workplaces.Description WIDE-RANGING SIZE DETECTION - Our Nut and Bolt Thread Checker instantly identifies 28 distinct sizes, encompassing Metric thread sizes from M4 x 0.7 to M14 x 2.0, and Imperial threads from #6 - 32 Coarse to 1/2 - 20 Fine. A one-stop-shop for all standard hardware verification.