Get incredible performance and versatility with Faber-Castell Pitt Artist Pen Dual Tip Markers. These markers are filled with highly pigmented India ink and feature two types of nibs — a smooth, flexible brush for broad strokes and filling in color, and a metal-encased 0.8 mm fiber tip for more detailed work. - Faber-Castell Pitt Artist Pen Dual Tip Markers - Set of 20Pitt Artist Pen Dual Ink Marker, 20PC SET - Includes one of each in Cadmium Yellow, Dark Chrome Yellow, Scarlet Red, Deep Scarlet Red, Middle Purple Pink, Purple Violet, Ultramarine, Sky Blue, Phthalo Blue, Light Cobalt Turquoise, Dark Phthalo Green, Leaf Green, May Green, Chrome Green Opaque, Cinnamon, Indian Red, Green Gold, Dark Sepia, Cold Grey III, and Black.