This is what the entry from the Zecchi site looks like to help in ordering: “ PRIA NEGRA (Graphite Black) Chemical composition: natural graphite (Series: 1) .” Here is our best guess at the equivalent in Italian. This is from the Italian portion of the site: “ PRIA NEGRA (Grafite Nera).Composizione chimica: grafite naturale (Gruppo: 1).”