Feature: 1. [Versatile Thread Checker] This thread checker accurately measures thread depth and specifications, ensuring proper bolt and nut compatibility, suitable for various thread sizes. 2. [High Accuracy] With its accurate design, this nut and bolt identifier gauge improves work accuracy and efficiency, saving you time and effort on projects. 3. [Sturdy Aluminum Alloy] Crafted from aluminum alloy material, this bolt thread identifier offers reliability and longevity, ensuring it withstands regular use. 4. [Convenient Hanging Hole] Featuring a hanging hole, this screw thread gauge allows for easy storage and accessibility in your work space, keeping your tools organized. 5. [Lightweight and Portable] Designed for convenience, this thread checker is lightweight and portable, making it suitable for various work settings and allowing you to carry it with ease. Specification: Item Type: Thread Checker Material: Aluminum Alloy Weight: Approx. 210.00g / 7.41oz. Package List: 1 x Thread Checker