Product Description: Universal Spark Plug Gap Tool for Precision Engine Maintenance Elevate your engine maintenance with our Universal Spark Plug Gap Tool, designed to ensure optimal spark plug performance across various sizes. This indispensable tool provides precise gap adjustments, enhancing engine efficiency and longevity. Discover the features that make this tool a must-have for any automotive enthusiast or professional: Universal Type: Engineered to accommodate 10mm, 12mm, 14mm, and 16mm spark plugs, this versatile gap tool caters to a wide range of vehicles. Easily achieve the desired gap thickness by using a feeler gauge of your choice, ensuring compatibility and precision for various engines. High Accuracy: Achieve perfect spark plug gaps every time with our precise caliper design. Simply place your spark plug on the gap tool, and enjoy consistent results that improve engine performance and fuel efficiency, ensuring your vehicle runs smoothly. Recommendation: It is normal for some spark plug electrodes to rebound slightly after adjustment. For a target gap of 0.44mm, we recommend setting the gap to 0.42mm initially, allowing for rebound to achieve the perfect 0.44mm. This ensures optimal ignition and performance. How to Maintenance: To maintain the tool's effectiveness, ensure it remains dry. If the spark plug gapping tool becomes wet, simply use compressed air to dry and apply a lubricant, protecting it from rust and prolonging its lifespan. Premium Material: Constructed from high-quality metal, this spark plug gapper is both sturdy and durable. Its robust design ensures a long service life, providing reliable performance and precision for all your automotive maintenance needs. Enhance your vehicle maintenance routine with our Universal Spark Plug Gap Tool. Its universal fit, high accuracy, and durable construction make it an essential tool for ensuring your engine delivers optimal performance. Experience the ease and precision of perfect spark plug gaps, contributing to improved combustion efficiency and prolonged engine life.