[Premium Quality]Constructed from aluminum alloy 6061, this features an anodized to resist rust and . It's designed to provide precise and efficient thread inspections, enhancing your work efficiency and replacing traditional thread gauges. [Comprehensive Identification]Easily identify 34 different sizes with our 42-hole nut and bolt . It includes 15 metric sizes from x 0.7 to M16 x 2. 0 and 19 standard sizes from 6-32 coarse to 3/4-16 fine, along with 8 drill gauges. The 0.58cm thick aluminum alloy plate ensures durability. [User-Friendly Design]Featuring laser-etched markings for clear visibility, this board simplifies the identification process. Its compact square design, complete with a 15cm and 6-inch ruler on each side, allows for quick measurements and efficient organization of various parts. [Versatile Placement Options]Equipped with two hanging holes and four removable padded feet, this thread gauge can be conveniently placed on a workbench or hung on a wall. It offers quick thread identification, helping you save time and streamline your workflow. [Integrated Drill Gauges]This tool includes 8 drill bit gauge holes ranging from 4mm to 14mm and 1/4 inch to 1/2 inch, enabling you to select the correct drill bit size effortlessly. Ideal for both professionals and DIY enthusiasts, it makes a practical gift for anyone involved in construction or repairs. Colour:red Material:Metal Package Contents: 1 * Thread-Checker