Edge Ruler and 12
Sizes Drill Bit Hole: the bolt size finder has 20cm and 8-inch side ruler on both sides, Inch
Drill Bit: 1/8, 3/16, 1/4, 5/16, 3/8, 1/2;
Metric Drill Bit: 4, 6, 8, 10, 12, 14.
Excellent Materials and Workmanship: Our nut and bolt thread checker are made of aluminum alloy plates and steel studs, The surface is anodized and the size text is laser-engraved, Clear and easy to read. The thread gauge is manufactured by CNC machining to ensure that the accuracy complies with Go & No-Go Class 2B ANSI Standard.
Classified Good Tool: Our thread gauge designed three hanging hole and four anti-slip feet, You can freely choose whether to hang it or lay it flat. Not only can it help you solve nut and bolt problems encountered in daily, It can also quickly help you sort mixed nuts and bolts, keep them organized in your toolbox to avoid losing them.