Nut And Bolt Gauge | Metric & Standard Sizer Tool (BCP673)

Quickly and accurately measure nuts, bolts, screws and washers Features a ruler marked with inches and millimeters USS, SAE, & Metric Constructed of 1/4" thick hard plastic for lasting durability Smooth easy to clean surface that resists oil and grease US & metric thread pitch gauge included on the reverse side. Special notch on the side for measuring flat head screws A shop essential, this sturdy lightweight plastic gauge will easily fit in your shirt pocket or tool chest drawer.  This is a must have for the professional mechanic or home hobbyist for quickly measuring those fasteners in your shop drawers.