Koh-I-Noor Rapidograph Stainless Steel Replacement Point.50mm, 1 Each (72D.1) Replacement point for Koh-I-Noor Rapidograph Technical and Artist Pens (sold separately) Made of durable stainless steel to be used on paper, vellum or tracing paper Includes the color-coded ring to denote point size Easy to replace Made in USA