The Doubleheader Calligraphy Marker provides the performance and vibrant color for all lettering projects. Two chisel points give the option of thick or thin lines: a 3.0 mm wide point for bold, distinctive lines and a 1.5 mm narrow point for smaller, intricate designs. Perfect for lettering, arts and crafts, scrapbooks and wedding invitations. The acid-free ink is archival safe and fade-resistant.