This Air Conditioning And Ecu Tool Kit Is Designed For Removing Plastic Valve Caps And Valve Cores During Servicing And Repairs On Air Conditioning Systems In Audi Volkswagen And Vauxhall/Opel Vehicles. The Kit Includes Tamperproof Bits For Use On Ecu Airflow Mass Sensors And Injection Pumps. Made From Chrome Vanadium Steel The Components Have A Black Phosphate Finish For Corrosion Protection Except The Sw12Mm And Sw15Mm Sockets Which Have A Satin Chrome Finish. Supplied In A Sturdy Plastic Storage Case.See `More Information` below for sizing and Colour detailsPTDDRPDIR02907