Specifications: Condition:New Type: Spark plug Gap Range: 0.02 to 0.1-Inch (0.60 - 2.4mm) Material: Solid alloy steel Features: 1.Utilizes Die-Cast Construction for Accuracy 2.Featuring an Easy-to-Read Scale 3.Built to be Resilient and Flexible 4.Heavy-Duty Construction Allows for Strength and Durability Package Included: 1 * spark plug gap Function: The round hole is used to adjust the spark plug, and it can also be attached to the key ring. How to use: Insert the edge of the coin into the ignition gap of the spark plug. Note: Due to different Monitor, the color may have difference Due to hand measure ,Please allow 1-3% difference tolerance Due to long shipping, the item may damage in transit, if the item damage, pls contact us firstly immediately before leave feedback, thanks for your understanding