Features: 1Aluminum Alloy Material: Made from premium aluminum alloy, this nut and bolt thread checker set is built to last, ensuring long term use without damage or deformation. 2High Accuracy: With the nut and bolt thread checker, you can easily and accurately measure thread sizes and details using a nut and bolt thread gauge, eliminating any guesswork or errors. 3Various Size Options: Available in a range of size specifications, including both metric and imperial measurements, the thread checker caters to different needs and applications, providing a comprehensive solution for all your threading needs. 4Portable and Convenient: The thread checker set comes with a storage box, making it easy to carry and store, ensuring that you can perform thread checks anytime and anywhere. 5Applications: Whether you are involved in automotive repairs, plumbing projects, or industrial applications, this nut and bolt thread checker is a versatile tool in your toolkit, catering to a wide range of maintenance and assembly needs. Specification: Item Type: Nut and Bolt Thread CheckerMaterial: Aluminum AlloyWeight: Approx. 832g/29.3oz Package List: 44 xThread Checker1 xStorageBox