The heavy weight, 6-sided barrel houses our smooth writing Fountain Pen at one end an ultra sensitive touch screen stylus at the other. Under the stylus top are phillips and flat head screwdrivers, whole on the barrel are a built-in level, ruler and 3 different scale functions. The chiseled spring clip will hold the Tool Pen™ securely in your pocket, ready to handle more jobs than any other pen! For those who love traditional writing along with their gadgets, the Tool Pen™ Fountain Pen is the one to have! For those who like the freedom to use their favorite ink cartridge but prefer the convenience of a roller pen, the Tool Pen™ is now available in InkBall as well.