I have been using an Aztec 430 for over 10 years and use this nozzle exclusively in my airbrushing. These nozzles are great as they are easily cleaned by running thinners or airbrush cleaner through them without having to take the airbrush nozzle out. The 3mm nozzle is just right for either spraying undercoats or for getting into the tight places for detail work.
Reccomended for all airbrush artists and hobbiests alike.