About This 【Accurate Nut and Bolt Checker】: The Stalye thread checker was designed to make your job easier and improve efficiency, being a fast and simple way of verifying the thread of your bolts and nuts. An excellent choice for construction, engineering, technical schools and more! 【Heavy Duty Construction】: This standard and metric thread gauge is made using premium quality high speed steel, a rustproof material which doesn’t bend or break, designed to withstand the test of time. 【Wire Loop Assembly】: This screw size and thread gauge features a smart wire loop design which makes it easy to store or hang, at the same time preventing losing the smaller pieces. 【Engraved Measurements】: Say goodbye to the hassle and guesswork that consumes your time, with the Stalye thread gauge SAE and metric, featuring permanently engraved thread sizes for easy and accurate identification. 【Size Range】: Metric sizes included: M3x0.5, M4x0.5，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, M16x1.5, M20x1.5. Inch sizes included: 5-40，6-32, 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, 9/16-18, 5/8-18, 3/4-16. Overview Material : Alloy Steel Fastener Type : Bolt Thread Size : M3x0.5 Color : silver Finish Type : Plain
