• SOLD AS PACK OF 2
• Can measure Bolts, Nuts, Screws, Washers and has a nut gauge on the side.  If the nut slides all the way down it is Fine Thread if it stops it's coarse thread.  Also has a thread gauge on the back side.   

This is a must have for any toolbox,  tool room or garage.

1/4" thick plastic 

8-1/2" overall length X 3-1/4 wide

Screw checker coarse and metric

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