Expert Quality, for removal, inspection or replacement of heated and non - heated oxygen sensors fitted to the following vehicle marques; Audi, BMW, Citroën, Mercedes, Peugeot, Renault, Skoda, GM (Vauxhall/Opel) and Volkswagen. Cut - away sections allow some sockets to fit over wiring harnesses. Sockets have black phosphate finish. Display packed in blow moulded case.