28 Size 4'' x 20'' Bolt and Nut Identifier Gauge Nut Bolt Size and Thread Identifier Thread Pitch Gauge Standard Inch and Centimeter Ruler (Red,Stylish)

Easy to Identify: 28 size nut and bolt identification tool ruler is easy to distinguish between metric and inch thread sizes, and can verify the sizes and thread pitches of standard hardware, so you don't need to worry about the size of fasteners you have any more
28 Specifications: the nut and bolt gauge contains 14 metric sizes and 14 standard sizes; The metric sizes cover 4 mm x 0.7 to 14 mm x 2.0, and the standard sizes cover 6-32 fine to 1/2-20 fine
Bolt Size and Thread Gauge: bolt and nut identifier gauge measures the bolt length and nut diameter quickly, and identifies hardware from #6 to ½" and 4mm to 14mm. Each size has internal thread for bolts and screws, as well as external thread for nuts and washers; The thread gauge is about 4 x 20 inch, which has multiple mounting holes, so you can choose to put it on the workbench, fix it in the toolbox, or install it on the wall
Double Scale: the bolt and nut identifier has inch and centimeter scales on the edge, so you can identify the length of nuts, washers, bolts and screws quickly
Sturdy and Durable: the bolt identifier is made of 6061 aluminum, quality and accurate; It has solid metal plate structure, beautiful hard anodized surface, maximum thread strength, and laser etching marks, which is not easy to fade or get scratched

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