Spark Plug Gauge Blade Type .002 in. to .025 in.

KD Tools Spark Plug Gauge Blade Type .002 in. to .025 in.

Gauge measures clearances 0.002 to 0.025 (0.051 to 0.635mm)It includes a 2-1/2 rule and 15 blades Blade length: 3-5/16