MTN Water Based Marker - 5mm - RV4010 Quinacridone Magenta is a great water based medium line graffiti marker or fine art marker with a high coverage paint that works well for fine detail work. Similar to a Molotow one4all this 5mm paint marker is perfect on canvas or any graffiti art project. Montana Colors Water Based 5mm Paint Marker RV4010 Quinacridone Magenta is a full middle bright pink magenta hue paint refill.