- Comprehensive All-in-One Thread ID Kit: This kit includes a total of 44 thread sizes (23 Imperial and 21 Metric) to accurately identify the thread sizes for both bolt and nut applications in any project or repair task. - Ideal for Tight Spaces: Designed for use in confined and closed areas, this kit allows you to easily check threads in locations where standard tools cannot reach. - Durable Carbon Steel Construction: Each piece is made from high-hardness carbon steel, ensuring lasting performance for mechanics, DIY enthusiasts, and professionals alike. - Organized and Color-Coded: The kit comes in a clearly labeled storage box, featuring black (metric) and silver (imperial) checkers, allowing you to quickly grab the right tool you need in seconds. Use Cases: - Perfect for automotive repairs where precise thread identification is crucial for fitting bolts or nuts. - Essential for home improvement projects, ensuring you have the correct sizes for assembling furniture or fixtures. - Valuable for industrial applications, providing reliability and efficiency in maintenance tasks.