Tamiya Airbrush System Quick Connector for Hose. Convenient for using multiple airbrushes by simply swapping them out. A connection that allows the airbrush and hose to be attached and detached with a single touch. Practical for painting when switching between several airbrushes. Work efficiency is significantly improved compared to screw connections. A set of 2 connectors on the airbrush side. The screw size is PF1/8 (S). A connection joint is required when using for a simple airbrush.