Taskar Screw Diameter & Thread Pitch Gauge Ruler (Metric)
Taskar Screw Gauge & Ruler
- Check screw diameters from 1mm to 20
- Check screw thread pitch from 0.8 to 6mm
- 230mm ruler (with 5mm intervals)
- 7cm ruler (with 1mm intervals)
- Resists water, oil and grease
- Sturdy lightweight plastic