Universal Fitment: The scale range of this spark plug gap gauge is 0.02 to 0.1 inches (0.6-2.4mm), suitable for spark plugs of 10mm 12mm 14mm 16mm. Easy Operationg: You only need to put the spark plug on the scale that you want to adjust, then put it into the rectangular handle body, and turn the knob on the other end. It is easy to operate and can be adjusted accurately once. Stable Rectangular Handle Body: This spark plug gap measuring tool has a rectangular handle body for fixing your spark plug, which make your work easier. Split Design: You will get spark plug gap gauge measuring tool, which can be used in combination, the coin shape gap tool can also be used alone. It is designed with a small hole, you can tie it in the key ring, which is convenient to carry. Material: The coin shape gap tool is mirror-polished to ensure that the scale will not be worn. Spark plug tool is made of aluminum alloy. The surface of the handle body is treated with blue polar anodizing, anti-corrosion and rust prevention, to ensure the sturdiness and durability of the tool. Specifications: Color: blue Material: aluminum alloy Package size: 15.5 * 4 * 4cm Package weight: 260g Packing List: 1 * Rectangular Handle Body 1 * Spark Plug Gap Gauge