Feature 1Universal Fitment: This spark plug gap tool is universal for 10mm 12mm 14mm 16mm spark plugs. Use your desired size feeler gauge for gap thickness. 2Precise Gap: This spark plug gap tool will give you the perfect gap every time. Simply place your spark plug onto the gap tool perfectly. 3Durable Material: Made of 6061T6 aluminum alloy and ABS knob, long service life and light weight. 4Fine Processing: Anodized treatment, longlasting luster, CNC machining for precise cutting with a sense of fashion design. 5Easy to Use: To prevent electrical damage, and with a feeler gauge, you will not bother to look for it when using this tool.Item Type: Spark Plug Gap ToolMaterial: 6061 aluminum alloy + ABS knobProcessing Model: CNC processingSurface Treatment: AnodizingApplication: Compatible with Most 10mm/0.39in, 12mm/0.47in, 14mm/0.55in, 16mm/0.63in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Spark PlugGapToolNoteSome spark plugs electrode will spring back This is normal for some spark plugs.If your gap target is 0.44mm we suggest to use 0.42mm this way when it spring back you will get it to 0.44mm.