VT1342 | Spark plug Gauge-Circular Ramp Type

* Chrome plated solid steel construction. 
* Tapered edge for gauging spark plugs.
* Specially designed hole with flange adjusts
   side wire of plug without pressuring center
   electrode.
* Gauges and gaps all types of spark plugs
   from .020 to .100 (0.5 to 2.53mm).