Feature:The spark plug gap tool will give you a good gap every time. Made of quality precision parts to improve vehicle performance and efficiency, could replace old or damaged spark plugs easily and directly.Specification:Condition: Brand NewType: 10mm 12mm 14mm 16mm Engine Spark Plug Caliper GapperColor: RedMaterial: Stainless SteelFeeler Gauge Size:93 x 16.5 x 13mm/ 3.66" x 0.65" x 0.51" (L*W*H)Size: 143 x 31.8 x 25.5mm / 5.63" x 1.25" x 1"(L*W*H)Easy to Install:1. Place your spark plug into the gap tool.2. Use your desired size feeler gauge for the gap thickness.3. Turn the knob with the feeler gauge in place until the side electrode compresses to the desired gap thickness.Pay Attention to Operation:Some spark plug electrodes will rebound-this is a normal situation, no worry about more.If your gap target is 0.39mm.
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