The replacement air brush nozzle fit almost all air brush models.Specification Material: Brass, AluminumSize: 0.5mmLength:6mm / 0.02 inchAdvantageReplace old spray nozzle to get your spray gun back in perfect condition.The air brush nozzles are labeled with size so you can quickly find the size you want .Instruction Choose the right size to use.NoteClean the air brush nozzle after use.