KD Tools KDT161 Spark Plug Gauge Blade Type .0015 to .035 Inch

Gauge Measures Clearances From 0. 0015 To 0. 035 Inch (0. 038 To 0. 889mm). It Also Includes One 0. 010 Inch Brass Blade To Use With Electronic Ignitions. Blade Lengths: 3-5/16 Inch Long, Blade Width: 1/2 Inch