Bolt Nut Screw Thread Fastener Gauge Checker Metric & Standard. Measure A Screw
(1) One Bolt Nut Screw Fastener & Thread Gauge Sizer Ruler Fractional and Metric 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 FREE SHIPPING