Features & Benefits
- Accurate gap measurement from 0.020 to 0.100-Inches and 0.5 to 2.5mm.
- Quick and easy gap adjustments with tapered hole design.
- Clear and visible markings for fast and precise readings.
- Durable construction for long-lasting performance.
- Compatible with a wide range of spark plugs using SAE and metric standards.
- Essential tool for mechanics and DIY enthusiasts alike.




