Performance Tool Spark Plug Gap Gauge W162C Spark plug gauge and gap tool
Accurately set spark plugs with electrode tool included
7 durable round wire blades in decimal and metric sizes
SAE Sizes: .020, .025, .028, .030, .032, .035 and .040in.
Metric Sizes: .50, .63, .71, .76, .81, .89, 1.00 mm 3.95