The top choice of the most exacting printmakers, Charbonnel inks feature pigments chosen for their low acidity and exceptional lightfastness. Blended with top-quality oils and carefully milled to ensure trouble-free printing, these are the inks of choice. - Charbonnel Etching Ink - Black Universal, 200 mlCharbonnel Etching Ink, BLK UNIVERSAL 200ML - Charbonnel's Universal Black (#55981) has a medium density and is easy to wipe.