Professional Oxygen Sensor Socket Set 7pc 3/8" & 1/2" Sq Drive Facilitates the removal, inspection or replacement of heated and non-heated Titania and Zirconia oxygen sensors found on most modern vehicles. Windows and slots enable sockets to be fitted over wiring harness. Contents and Specification Set contains seven most popular oxygen sensor sockets to work on a variety of vehicles. 1/2" Drive x 29 x 90 mm 3/8" Drive x 7/8" x 90 mm Oxygen Sensor Socket 1/2" Drive x 27 x 85mm Injector Socket 3/8" Drive x 7/8" x 80 mm Vacuum Switch Socket 3/8" Drive x 1-1/16" x 74 mm Oil Sender Unit Socket 3/8" Drive x 7/8" x 50 mm Heated Oxygen Sensor Socket 3/8" x 7/8" x 30 mm Offset Oxygen Sensor Wrench | SPETLEK 7Pcs Oxygen Lambda Sensor Socket Removal Set 22MM/27MM/29MM For Garage