Iwata Airbrush Hi-Line and HP Replacement Nozzles are precision crafted on the industry’s most sophisticated machinery using the finest materials for consistent quality and performance. - Iwata Airbrush Replacement Nozzle - 0.3 mm, I08080.3MM NOZZLE - Replacement nozzle for Iwata Hi-Line HP-CH airbrush and Iwata High Performance Plus HP-CP and HP-BCP airbrushes. This nozzle is wrapped in a platinum alloy, creating a perfect seal to the paint passageways. This also makes it more durable and resistant to damage from harsh chemicals.