360° swivel spark plug socket: spark plug socket features a 360° rotating joint, which enhances the spark plug socket’s flexibility, allowing you to easily access hard-to-reach areas for superior flexibility and efficient, especially in tight engine bays. this design significantly improves work efficiency, making spark plug removal and installation much easier and more convenient, particularly in confined spaces. built-in rubber protective cover to protect the ceramic body heavy-duty magnetic core design: spark plug tool is equipped with a strong magnetic core that securely holds the spark plug in place, preventing it from falling or getting damaged during use. the magnetic core design ensures the spark plug stays stable during installation and removal, preventing it from dropping into the engine bay and eliminating unnecessary hassle and work interruptions 12-points socket with thin-wall design: the socket features a 12-point thin-wall design that provides excellent torque transfer and grip. this design not only enhances stability in tight spaces but also reduces the risk of rounding off corners. 12-points socket can be inserted into a hexagonal nut faster than 6-points socket. it's an essential tool for spark plug removal, especially in confined spaces that require high precision 3/8-inch drive socket: magnetic spark plug socket is equipped with a 3/8-inch standard drive interface, making it compatible with most common ratchets and extension bars to meet a wide range of work needs. knurled grip design can help you keep a tight grip to minimize the possibility of slipping in the middle of a job and reduce the chance of hand fatigue high-quality cr-v steel made: the socket is made from heat-treated cr-v steel with a manganese phosphate black finish surface, providing outstanding durability and resistance to wear and corrosion. the manganese phosphate black coating not only prevents rust and corrosion but also makes the tool easy to clean, ensuring optimal performance in various work environments, making it suitable for long-term use. the socket also has laser-etched size markings for quick and easy identification