Universal 22mm 1/2'' Drive Car Oxygen Sensor Socket Wrench Removal Installation Tool Professional Car Accessories. Material: Chrome Vanadium Alloy Steel. Color: Silver. Size: As shown. Features: CR-V Material Forging, High Hardness, High Torque, Long Service Life. Phosphating Treatment, Surface Phosphating Treatment, Corrosion Resistance, Durable. Concave Edge, Six-sided Screws And Nuts Can Be Quickly Inserted Into The Socket And Are Not Easy to Slip.