Package Content: You will receive 1 piece of nut and bolt thread checker, which is enough for your daily use.

Product Material: This bolt and nut identifier gauge is made of great aluminum alloy, carbon steel, which is reliable and can bear various environments.

Helpful Tool: There are inches and centimeters on the sides of this thread checker, so it's easy and quick to check if the nuts and bolts' sizes are correct. It's no need to check dimensions at hardware store any more.

Easy to Use: There are screw holes on the top of bolt thread checkers, so you can easily install it on the wall, workbench or toolbox. Bolt identifier board is hard enough, so you can easily carry it to any place.

Practical Present: You can gift this bolt identifier board to professionals and DIY enthusiasts. This useful tool will bring them much convenience. They'll be delighted after receiving this gift.