Features For connecting the airbrush and air compressor. With 1/8" male and female fittings. Quick release coupling mounts inline between your airbrush and hose. Convient for disconnecting and changing airbrushes without the need to release air pressure or unscrew fittings. Convenient to install. Specification: Package Size: Approx. 11x7x1.5cm / 4.3 x 2.8 x 0.6in Length: Approx. 4cm / 1.6in Quantity: 1pc Package list: 1 * Airbrush Fitting Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1、For connecting the airbrush and air compressor. 2、With 1/8' male and female fittings. 3、Quick release coupling mounts inline between your airbrush and hose. 4、Convient for disconnecting and changing airbrushes without the need to release air pressure or unscrew fittings. 5、Convenient to install.