Key Features
- Measures diameter, thread pitch & length of nuts, bolts & screws
- Measures fractional bolts from size #4 to 1" up to 7" long
- Measures metric bolts & screws from size 3mm to 22mm
- Made of very durable 1/4" thick hard plastic
- 1/4" thick x 8-3/4" Long x 3-3/8 Wide Color: Green
