Nut and bolt thread gauge - High-speed steel wire gauge, standard and metric - Full SAE male and female gauge - Precise measurements

【Precise nut and bolt checker】The Stalye thread tester was designed to make your work easier and improve efficiency, providing a quick and simple way to check the threads of your bolts and nuts. An excellent choice for construction, engineering, technical schools, and more!【Heavy Duty Construction】This standard metric film canister is made of high-quality, high-speed steel, a rust-resistant material that won't bend or break, designed to stand the test of time.【Wire loop assembly】This size of screw and film holder features a clever wire loop design that facilitates storage or hanging, while preventing the loss of smaller pieces.【Engraved measurements】Say goodbye to time-consuming guesswork and guesswork with the Stalye SAE and metric wire sizer, featuring permanently engraved wire sizes for easy and accurate identification.【Size range】Metric sizes included: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0, M24x3.0. Inch sizes included: 6-32, 6-40, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 1-8, 1-12.