Car Spark Plugs Gap Measuring Tool

Car Spark Plugs Gap Measuring Tool. If you inspect and replace your own car spark plugs then you need this tool to make sure that the car spark plug gaps are within tolerance. this tool provides you with measurement range from 0.02 to 0.1 inch or 0.6 to 2.4 mm. Every spark plug has its own gap distance to ensure optimal spark and thus combustion in your engine. improper car spark plug gapping might cost you a lot of money caused by worse gas mileage when the car spark plugs are not gapped properly. 

Range: 0.02 to 0.1-Inches (0.60 - 2.4-Millimeters)
material: Solid alloy steel
Appearance: Coin-type tool