Save on a trip to the mechanic and instead repair your car's lambda threads at home with the ABN Oxygen Sensor Tools Set. Rely on the oxygen socket set to ensure your vehicle is putting out proper emission levels. Monitor your car with the O2 sensor tool kit to guarantee that your fuel mixture has the right amount of oxygen for efficient combustion. 10pc rethreading tool kit is coated with chrome molybdenum that prevents corrosion to your vehicle. Hold the pieces in the plastic hard-shell case. Weighing only 2lbs, the O2 sensor socket kit is lightweight for easy transport. The plastic storage case is equipped with a sliding lock that opens in seconds. Package includes 3 taps, 1 reamer, 1 insert tool, 5 nuts and spares, and 1 case. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.