1/2" Dr. double square hole drive, 22mm (7/8") x 30mm 6 pt Flare nut socket for vacuum switch & oxygen sensor service on computer controlled engines.
Offset design socket allows access in tight areas.
For oxygen sensors in exhaust manifolds of 1981 and later model cars and trucks.
Application: Mercedes, Porsche, BMW, VW, Audi, Volvo And More.