Zmarthumb Extension Magnetic 12 Point Universal Review

360 Degree Swivel head -- 360 degree swivel action for maximum flexibility, the magnetic core retains and protects the spark plug for easier installation, ensures no more plugs dropping into the engine compartment. Material -- Made of Heat Treated, Chrome Vanadium Steel, with powerful interior magnets. Applications -- The thin wall design of this socket makes it compatible with most engines. Universal Joint -- 3/8-inch 12-point leaf spring Thin wall design 14mm and 16mm Spark Plug Socket; Support 3/8" Square Drive Ratchet Wrench. Happy Buying -- We Stand Behind Our Products. If for any reason you are not completely satisfied with your purchase, please contact us via Amazon message to get a refund or replacement