Gauge measures clearances from 0.0015 to 0.035_ (0.038 to 0.889mm). It also includes one 0.010_ brass blade to use with electronic ignitions. Blade Lengths: 3-5/16_ long, Blade Width: 1/2_

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov