This combination tool kit has a four piece insert nut set for the air conditioning units on Audi Volkswagen OPEL VAUXHALL & 7 TS tamperproof bits for the ECU Airlow mass sensors & injection pumps on BMW Fiat Mercedes Benz Peugeot Renault Rover Toyota as well as Audi Volkswagen OPEL VAUXHALL Supplied in a blow mould case for storage