The 1200 Metallic Color Fiber Pen is ideal for writing and decorating, drawings and layouts in attractive metallic colors on light-colored and dark-colored paper. The round nib has a stroke width of 1-3mm and the water-based ink in the filter system is extremely lightfast; it also prevents bleeding through the paper. The 6-Color Metal Tin Set includes gold, silver, red metallic, blue metallic, green metallic and violet metallic.