0.4mm Needle for Evolution, Infinity, Ultra – Harder & Steenbeck This is the new & improved “V2” needle design & is compatible with all existing Harder & Steenbeck airbrushes (excluding Colani). V1 & V2 needles are completely interchangeable & you can continue to use your existing nozzle. * Evolution range* Evolution Silverline range* Evolution CRplus range* Evolution ALplus range * Grafo range* Infinity range* Infinity CRPlus range