Multifunctional thread identifier This Nut and Bolt Thread Identifier is designed for both imperial and metric measurements, making it a useful tool for professionals and DIY enthusiasts. Predrilled mounting holes Equipped with three predrilled holes, this gauge can be easily mounted on a wall or attached to your toolbox for convenient access and storage. Accurate size comparison Quickly and precisely compare thread sizes to ensure you select the right nut or bolt for any project, enhancing efficiency in your work. Aluminum alloy construction Crafted from sturdy aluminum alloy, this thread identifier is built to withstand daily use while maintaining its reliability and accuracy. Use scenarios In a machine or maintenance , identify the correct metric or imperial fastener when servicing equipment with mixed thread standards. On a job site or in a field service call, mounting the gauge on a toolbox or wall provides quick access for fastener selection during repairs. In a home workshop, perform furniture assembly or bicycle maintenance with confidence, ensuring the right size fasteners are used every time.