Standard DesignThe upgraded 3/8 inch 12-point drive and internal magnet can fix and protect the spark plug, whose structure and design is used for the removal and installation of the spark plug. Great FlexibilityThe spark plug socket is made of high quality chrome vanadium steel and features a 360 degree swivel action for maximum flexibility, allowing access to most confined areas . The interior magnet holds and protects the spark plug, ensuring it stays. Great FlexibilityThe spark plug socket is made of high quality chrome vanadium steel and features a 360 degree swivel action for maximum flexibility, allowing access to most confined areas . The inner magnet holds and protects the spark plug, ensuring that it stays Wide ApplicationThe electromagnetic Spark Plug Sockets shell is highly compatible and can be compatible with various vehicles, such as -B-M-W- N54, N55 , N63, B-enz E90, etc. Delivery contents1 14mm thin-walled universal joint spark plug connector + 1 16mm thin-walled universal joint spark plug connector.