Azure Dual Tip Artist Markers by Royal & Langnickel are professional quality markers that enable smooth linework and vibrant colouring. They are fully blendable and offer artists streak-free coverage. Each pen includes a round nib and a chisel nib, to achieve varying lines and coverage.  The Primary Colour Set includes 6  colours; Red, Orange, Yellow, Green, Blue and Violet. Also included is a colourless Blender pen, for shading and adding texture.