Use to set and measure spark plug gaps plus other ignition clearances from .010 to .045 and .254mm to 1.143mm Blades have both SAE and metric measurements 6 wire gauges check spark plug gaps and 12 straight blades check other clearances Includes a double-
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Use to set and measure spark plug gaps plus other ignition clearances from .010 to .045 and .254mm to 1.143mm
Blades have both SAE and metric measurements
6 wire gauges check spark plug gaps and 12 straight blades check other clearances
Includes a double-ended electrode tool for easy adjustments
Blade length: 3-5/16 in
Each blade has sizes marked for easy identification