QUICK CONNECT SET COMES WITH MALE AND FEMALE PARTS AND SCREWS INTO PAASCHE HOSE. THE AIRBRUSH CAN BE CONNECTED AND DISCONNECTED EASILY WITH A PUSH ON THE CONNECTOR COLLAR. MAKES CHANGING AIRBRUSHES VERY EASY. ADDITIONAL MALE CONNECTORS AVAILABLE:A-151 FOR BADGER, A-188 FOR IWATA, A-192 FOR PAASCHE.