Magnetic Spark Plug Wrench: You will receive 2 ultra-thin 12-point magnetic spark plug wrenches with inner diameters of 14mm and 16mm respectively, both with 3/8''(10mm) interfaces and only 1mm thick, which are compatible with spark plugs of most passenger cars, commercial vehicles and light trucks The socket mouth is precisely designed for the size and model of most car engine spark plugs, making it more precise to use Convenient and Fast: The spark plug wrench has a simple structure, is small and light, and is easy to carry. When replacing the spark plug, there is no need to remove other parts, which is more convenient and faster Strong Magnetism: The spark plug wrench has a built-in strong magnetic ring, which can better absorb the spark plug during use, so as to effectively prevent the spark plug from accidentally falling off when removing or installing the spark plug Practical Tools: In addition to removing the spark plug, you can also easily adjust the position and tightening