The business world is a jungle nowadays. Here is your survival kit. All in one: Ballpoint pen, Mechanical pencil, Marker and Touch screen pen. As practical as it's good looking. The LAMY 4pen -4 x1- takes care of all your writing needs. Why choose one when you can have it all ? Multi-system pen in Palladium finish with interchangeable grip section: India rubber. Fitted with ballpoint refill M 21 black, pencil lead 0.7 mm (M 40) HB, marker refill M 55 and touch screen refill M 70. With system identification and Z 15 built-in eraser underneath the removable button.