GearWrench 164 Spark Plug Gap and Feeler Gauge Set
- Use the set to measure spark plug gaps and other ignition clearances from 0.010 to 0.045″ (0.254 to 1.143mm)
- Six wire gauges check spark plug gaps, and 12 straight blades check other clearances. It includes a double-ended electrode tool for easy adjustments
- Includes: double ended electrode tool for easy adjustments
- Blade length: 3-5/16″
