Product Description TECHNALO: A favored water-soluble graphite pencil, available in HB, B and 3B. (3B pictured.) The Caran d’Ache Graphite Line brings together over 30 products, all based on graphite. This line exemplifies Caran d’Ache’s commitment to producing high-quality artists’ pencils– their beautiful color products are among the favorites of Wet Paint staff and customers, and the brilliant step of a line exclusively dedicated to graphite is only logical.