These triangular barrel pens are ergonomically designed for convenient drawing and writing. Super fine 0.012 in. Porous points are protected by a metal coated tip. Staedtler's ink does not dry even if the pen is left capless for several days. - Staedtler Triplus Fineliner Ballpoint Pen Features: Fineliner with superfine, metal-clad tip Ergonomic triangular shape for relaxed and easy writing DRY SAFE - can be left uncapped for days without drying up, except neon colours Water-based ink Washes easily out of most textiles PP barrel guarantees long service life Line width approx. 0.3 mm Product Code: 334-10