The 5/8-Inch Magnetic Universal Spark Plug Service Kit for plug removal and installation. Interior Magnet retains no more plug sockets dropping into the engine compartment, for positive installation. 3/8-inch Drive, 6-Point swivel spark plug sockets, 5/8-inch long-reach magnetic insert holds plug for removal and installation, in 4-inch, 6-inch, and 11-inch lengths for all situations. 360 degree ball swivel spark plug Made in Taiwan, constructed of durable heat treated Chrome Vanadium Steel and with Anti slip knurled grip on shaft. Come with blow case for easy storage.