Oil-based inks in a palette of pure intense pigments offering a broad range of color mixing potential. Five black inks and graphite formulated to meet the demands of printmakers wanted deep rich black inks with outstanding working properties. Portland and Portland cool blacks are ideal for edition printing; bother offer a strong line and medium plate tone. Portland stiff black is crafted for engravers printers of mezzotints or others who need more resistance from their ink. 300ml. Sepia.