Lisle (LIS67870) Coin Type .020 to .100in. Spark Plug Gauge

67870 Standard / High Energy Spark Plug Gauge and Gapper Gauges and gaps all types of spark plugs from .020" to .100" (.50mm to 2.53mm). Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring center electrode.Skin-packed. Shipping wt. 1 oz.