Spark Plug Gapper,Spark Plug Gapper gap measuring tool,Spark Plug Space Tool Gapper Gauge- Wire Spark Plug Space Measuring Tool Scaled from 0.020Inch to 0.100Inch,Silver,

- Portable: mall as a coin and easy to carry
- Accurate and easy-to-read scale
- Attaches to your key chain for easy access
- SAE: 0.02 to 0.100. Metric: 0.6 to 2.4 mm
- How to Use: Start by removing the spark plug from the vehicle.Then clip the metal hook on its top into the slot on the edge of the spark plug gap tool for a quick reading.The front side has the usual inch scale,while the back side has a metric millimeter scale.