Threaded pins securely embedded in gauge-identifying holes ensure longevity, guaranteeing accurate measurements every time. It will assist you in quickly and easily identifying the size of your bolts and nuts. Clear inch and centimeter markings on the edges facilitate quick and easy bolt and nut size identification, enhancing efficiency during projects. Crafted from durable material with precision-machined posts and a hard anodized surface, ensuring exceptional quality and long-lasting performance for reliable use. Featuring 3 pre-drilled holes for easy wall hanging or toolbox attachment, this portable thread checker offers versatility and accessibility across various work environments. Instantly identify 28 different sizes, covering metric thread sizes from M 4 x 0.7 to M 14 x 2.0 and imperial thread sizes, providing extensive compatibility for diverse applications. Description: Ensure precision and efficiency with our thread checker. This tool features laser-etched inch and centimeter graduations for quick and easy size identification of bolts and nuts. Crafted from durable material, this thread checker boasts excellent craftsmanship with machined precision and a hard anodized surface. Its sturdy design includes 3 pre-drilled mounting holes for convenient storage on walls or toolboxes, making it portable and accessible for various work environments. With the ability to instantly identify 28 different sizes, our thread checker is a versatile and essential tool for any workshop or project. Stay organized and efficient with this reliable and practical tool at your disposal. Item Name: Thread Checker Material: Aluminum Alloy Features: Reusable, Practical, Long Lasting, Durable Size Details: L: 20cm/7.87", W: 20cm/7.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Thread Checker