Gapper Spark Plug Gauge
- Ramp style gauge
- Measures gaps from 0.020-0.100 (0.50 to 2.5 mm)
- Hole in gauge works as an electrode adjuster
- Hole can also be used to fit on keychain
- Weight: Approximately: 25 pounds
- Shipping Dimensions: Approximately 5.75 x 2.75 x .5 inches.