648442 1/2" Dr. 7/8" Oxygen Sensor Socket

For removing and installing oxygen sensor and vacuum switches. Specially designed 7/8" (22mm) socket features slot for wiring connector pigtail or vacuum nipples. 2-1/2" depth to fit over long sensors. Can be used with 1/2" drive ratchet or 7/8" end wrench on the external hex. Also fits thermal vacuum valves, etc. Chrome vanadium steel for strength. Lifetime warranty.