Durable MaterialOur magnetic spark plug sockets are made of high quality chrome vanadium steel with heat treatment and chrome mirror finish for excellent rust and corrosion resistance which is strong, durable and can be used for a long time. Magnetic Swivel Spark Plug SocketThis rotating spark plug socket has a magnetic ring adsorption inside, which can hold the spark plug firmly, so that it is not easy to loosen and fall off when installing and removing the spark plug. Thoughtful DesignThis 3/8-inch Drive Thin Wall Magnetic Swivel Spark Plug Socket features a 12-point design, 16mm/14mm heads, and a 3/8-inch spark plug wrench. The spark plug socket set have 360 degree swivel action for maximum flexibility. Thin Wall Spark Plug SocketThe surface of spark plug removal tool has a unique concave and convex design that enhances grip friction which allows you to remove the spark plug more easily. A must-have for DIY enthusiasts and professionals. Wide ApplicationOur Magnetic Spark Plug Wrench is the most flexible and versatile tool available. The spark plug sockets are compatible with car N54, N55, N63, E90, etc.