Special Tool for Carburettor (Screwdriver) 

• Used for setting correct CO-valve on mixture screen
• Idling mixture on Pierburg carburettors:
  • BMW, Ford, Opel, Peugeot, Renault, Mercedes-Benz cars. Choke adjustment Audi 80, VW Passat 1.3-1.5; 1.6 l,
• Matte chrome
• Black tip.