Put a slot in the side of this wrench to accommodate connectors on heated oxygen sensors, which usually do not fit in the standard sensors wrenches. The extended and reinforced body removes the most stubborn sensors without rounding them off.
Features: 1/2" drive of double square. 22mm (7/8") of hexagon.
Flare nut for vacuum switch & oxygen sensor service on the computer-controlled engines.
Ford, Toyota, Nissan, Benz, BMW and most of the European cars.