Screw Bolt Nut Thread Measure Gauge Size Checker (Inch Standard & Metric) - Product Features
- Inch and Metric & Coarse and Fine Threading
- Measures fractional bolts from size #4 to 1\" up to 7\" long
- Measures metric bolts & screws from size 3mm to 22mm
- Made of durable 1/4\" thick hard plastic
- 1/4\" thick x 8-3/4\" Long x 3-3/8 Wide Color: Red