Features Easy to Read: The surface of the spark plug is printed with metric and imperial markings, which allows us to read clearly and clearly at a glance. For Measuring And Adjusting: The spark plug gap tool is used to measure and adjust spark plug gaps, helpful for getting into tight or blocked spaces; Great for any tool set. Chrome-plated Round Shell: The spark plug gap gauge is made of chrome-plated round shell, which has the characteristics of wear resistance, scratch resistance and stability, and is the tool accessory used in time. Rivet Connection Structure: The spark plug has a strong rivet connection structure, which has impact resistance and compact appearance, is easy to carry and use, and is durable. High Hardness: The gap measuring tool is made of heat-treated spring steel wire, which has the characteristics of high hardness and not easy to deform, and can be used for a long time. Features: 1.Used to measure and adjust spark plug gap. 2.Surface printed with both metric and inch reading. 3.Heat treated spring steel wire, high hardness and not easy to deform. 4.Chrome-plated round shell. 5.Firm rivet linked structure, anti-impact and durable in use. Specification: Material: Metal Metric Size: 0.64-0.76-0.86-0.89-1.02-1.14 Inch Size: 0.025-0.030-0.034-0.035-0.040-0.045   Package List: 1 x Spark Plug Gap Gauge Package List