Description: 【Quick Measurement】: Engineered with fine machining technology, this thread checker offers exceptional accuracy in measuring the thread sizes of screw, nuts, and bolts. Ensure your projects are built to exact specifications with reliable measurements any time 【Wide Compatibility】: This versatile tool has M1.4, M1.6, M2, M2.5, M3, M4, M5, M6, M8, 10mm, M12, 14mm, threads. Whether you're working on automotive repairs or home improvement projects, it provides the required flexibility 【Multi functional Tool】: Combining screw gauge, nut gauge, and bolt thread gauge into a comprehensive tool, it offers complete functionality for all your measurement tasks. Simplify your toolkit with this solution 【User Friendly Design】: Featuring a straightforward operation process, simply place the screw, nut, or bolt into the corresponding slot to measure its thread size effortlessly. Ideal for both professionals and DIY enthusiasts seeking ease of use 【Portable and Sturdy Construction】: Crafted from sturdy stainless steel material for long time performance, this compact Nut bolt thread gauge is easy to carry wherever you go. Its clear scale markings ensure quick readability of measurement results at a glance Specification: Material: Stainless Steel Size Chart: 6cmx10cm/2.36inchx3.94inch Package Includes: 1 Bolts Thread Checker Note: Please allow slightly errors due to manual measurement and different monitors.