The Motortech Magnetic Spark Plug Socket 07.99.022-3-18 is a specialized hand tool designed specifically for automotive use. With a hex size of 7/8", this socket is perfect for removing and installing spark plugs in vehicles. The magnetic feature ensures a secure grip on the spark plug, providing a reliable and efficient solution for maintenance and repair tasks. The high-quality construction from Motortech makes this socket a durable and essential tool for any automotive workshop or garage.