The business world is a jungle nowadays. Here is your survival kit. Two in one: ballpoint pen and mechanical pencil in a single writing instrument. As practical as it´s good looking. The LAMY tri pen takes care of all your writing needs. Why choose one when you can have it all ? Multi-system pen with matt black lacquer finish. Fitted with ballpoint pen refill M 21 black and propelling pencil lead 0.5 (M 41) HB. With system identification ring and built-in eraser (Z 15) underneath the removable button.