With the aluminium reducer nipple you can quickly convert to pump up Sclaverand (SV, Presta) and Dunlop valves (DV) at the petrol station (only fits AV valves).

Information on EU Regulation GPSR 

Name of the manufacturer: Hermann Hartje KG
Postal address of the manufacturer: Deichstraße 120-122, 27318 Hoya, Germany
Electronic address of the manufacturer: info@hartje.de