Screw gauge pitch-- can be widely applied for industry, household goods, automobile industry and many other fields to use.; Stainless steel pitch gauge-- the foldable structure is easy to carry, the edges make measurement and inspection more efficient.; Screw cutting gauge-- using stainless steel, this thread gauge has high hardness, very professional, not easy to break or damage.; Bolt thread pitch gauge-- foldable, easy to use and store, save much of your space, time and effort, bring you more convenience.; Measuring thread pitch-- wide measurement range to meet your needs for measuring tool angles when cutting threads on metal lathes.

What's in the box
3 x Rulers