【Identify Screws & Nuts】It helps speed up the bolt or nut identification process for projects. Also makes it easy to know what you need before you head to the store.
【Easy and Quick Access】The Thread checker can lay on bench or hang on the wall, tool chest. Also makes it easy to categorize the right size nut and bolt.
【Finely Machine】Nuts, bolts and machine screws thread easily for accurate measurement, when compared with rulers and tape measures.
【Smooth to Touch】Nuts & bolts thread checker's manufactured from heavy aluminum base that's been red anodized, stainless steel crews.
【Easy to Check】The lettering are clear whether metric or standard, include rulers to determine the length of the bolts.
【28 Different Sizes】M4 x 0.7 to M12 x 2.0, and imperial threads from #6-32 Coarse to 1/2-20 Fine. Meeting Go & No Go Class 2B ANSI standard specifications.