Iwata Custom Micron Airbrush Head Nozzles are precision crafted using the finest materials for consistent quality and performance. They’re wrapped in a platinum alloy to create a perfect leak-proof seal and are more durable and resistant to harsh chemical damage than conventional all-brass nozzles. - Iwata Custom Micron Airbrush Head Nozzle - 0.18 mm, I-535-1BIwata Accessories, 0.18MM NOZZLE B SB - This Head Nozzle is designed to be used with the Iwata Custom Micron V2 (Square Trigger) Airbrush model CM-B/SB.