0.5mm Airbrush Needle Nozzle Cap Set Replacement Perfect replacement needle & nozzle cap for 0.5mm airbrush The nozzle and needle are consumables .Using them when you feel your airbrush work in unperfect condition Airbrushes nozzles and needles all have storage container so they can keep in good condition Precision engineered parts for professionals and hobbyists The nozzle and the needle should be used in combination.