SpotPen Warm Tone Black & White Print Retouching Pen Set, Set of 10 Pens from Light Gray to Dark Black Each brush-lip pen contains its own shade of dye from the lightest shades of gray to the blackest black Made from high quality nylon fiber which has the capability of 000 sable brushes Spotpen tips retain their point, one application after the other Contains a highly purified photographic dye that penetrates the emulsion without leaving surface residue Packed in reclosable vinyl pouches