【Easy to Use】Easy to use: Simply pull the spring loaded sleeve to separate the fitting in two. A simple pivot of the coupler allows you to control the airflow. 【4 fittings, convenient for changing】The airbrush air hose adapter comes with 4 1/8' male-female fittings. Convenient to disconnect and change airbrushes without having to release air pressure. 【High quality materials, no kinking of the hose】: Made of high quality metal, durable, suitable for connecting airbrush and air compressor. The coupler allows the fitting to swivel to prevent the hose from kinking. 【Perfect Airbrush Accessory】: Attaches in-line between the airbrush and air hose. Perfect accessory for connecting airbrush and air hose. The air flow stops automatically when you disconnect the hose. 【Quality Guarantee】 If you have any questions, please contact us. We are happy to resolve the problem for you. 1 year warranty, 30 days money back, 24 hours email support. Specification: Condition: 100% brand new Material: Metal