The classic Matic automatic ballpoint pen features a standard type of writing mechanism and a replaceable ink cartridge. The pen has an opaque hexagonal body in bright neon colors with a comfortable profiled grip zone. The color of the clip... matches the ink color. The 5-channel writing mechanism with a ball diameter of 1.0 mm, combined with quick-drying ink, ensures smooth and comfortable writing. The length of continuous line is 2000 m with a thickness of 0.5 mm. The R-301 series pens have a recognizable patented shape and have become bestsellers in the range of ballpoint pens Erich Krause in more than 50 countries worldwide.