Features 1. Wide Compatibility: This spark plug caliper gapper is universally compatible with cars, helping to achieve precise spark plug clearance. 2. Premium Material: Constructed from durable metal material for long-term use. Compact and lightweight design allows for easy portability and storage. 3. Practical Design: This heavy-duty spark plug caliper can be used with a feeler gauge (not included) to accurately measure spark plug gap thickness. 4. Functionality: The spark plug gap tool ensures consistent and accurate gap settings. Simply place the spark plug onto the tool for easy and convenient use. 5. Maintenance: If the tool becomes wet, dry it using compressed air and apply lubricant to extend its service life. Specification Material: Metal Fitment: Universal Package List 1 x Spark Plug Gap Tool