Product Information
- This is a fantastically useful piece of kit that takes any guesswork out of measuring bolts
- Identify US imperial bolt diameters from #4 to 1" and metric bolts from M3 up to M22
- Identify US imperial nut sizes from #6 up to 5/8"
- Also includes a 3D thread/pitch checker. Every tool box should have one of these
- Please note: colour may vary