Lisle 65730 Porcelain Puller (RH Nut and Sleeve) Includes a unique Porcelain Puller Tool that snaps onto the terminal of a broken spark plug to pull the porcelain out Also includes a Porcelain Pusher for when the porcelain breaks off in the spark plug tip and a Self-Tapping Puller to remove the seized metal tip Comes in a blow molded plastic case for storage