Penagain Ergosof, Ballpoint Pen, Set of 4 Colors: Black, Silver, Red and Blue (Individually Packaged with Two Refills Per Pen) Ergonomic Ballpoint Pen 4 Pen Set. Each Ergo-Sof pen comes with two additional black refills. Pocket clip, Retractable cap, Easy refilling NEW Ergo-Sof PenAgain is also finished with a soft rubber coating that adds extra comfort and style.