Fabel-Castell's Pitt Artist Pen is a modern, easy-to-use disposable pen. The pigmented and very lightfast drawing ink is ideal for sketches, drawings, layouts, fashion design and illustration. This particular pen comes with a 0.3mm tip. Faber-Castell is one of the world's largest and oldest manufacturers of pens, pencils, other office supplies and art supplies, as well as high-end writing instruments and luxury leather goods.