- Comprehensive Size Options : Our mother and bolt thread gauge set includes 36 and 46 carbon steel pieces, enabling you to accurately measure a wide range of imperial and metric thread pitches. - Versatile Applications : Designed for professionals such as plumbers, mechanics, and engineers, this toolset is ideal for various tasks, including repairs, installations, and maintenance. - Portable and Convenient : Each measuring tool is detachable, making it easy to use in tight or hard-to-reach spaces where traditional tools may not be effective. - Efficient Storage : The organizer box features clear labels for quick identification of different sizes, ensuring everything stays neatly organized and easily accessible. This thread gauge set is essential for ensuring precise measurements and successful outcomes in all your threading applications. Perfect for anyone in need of reliable and practical tools.