[Premium Quality]Constructed from durable aluminum alloy 6061, this thread checker features an anodized surface to resist rust and corrosion. 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 thread checker. It includes 15 metric sizes from M4 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 thread checker 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