Quality Materials: This tool is made of high quality chrome vanadium steel. High temperature treatment throughout the process to prevent corrosion. Can withstand greater pressure without deformation. Strong Magnetism: The 16mm/14mm spark plug socket has many powerful magnets at both ends. The unique magnetic design ensures that the spark plug socket stays in place during installation and removal, without having to worry about losing it. Can Rotate 360 Degrees: The swivel head can rotate 360 degrees. 360 degree rotation, necessary tool for spark plug change and the only way to remove spark plugs on some car models. Ideal Tools: 3/8 inch rotating long socket, 16 mm and 14 mm magnetic head with 12-point design, 1 mm thickness, length: 98 mm. The spark plug wrench is compatible with multiple vehicles and is a must-have tool for every car owner. Package Contents: 1 x 14 mm Thin Wall Universal Joint Spark Plug Connector + 1 x 16 mm Thin Wall Universal Joint Spark Plug Connector.