The business world is a jungle nowadays. Here is your survival kit.All in one: 3 ballpoint pens and 1 mechanical pencil.As practical as it's good looking. The LAMY 4pen takes care of all your writing needs. Why choose one when you can have it all?Multi-system pen in matt black lacquer finish with interchangeable grip section: aluminium palladium finish.Fitted with pencil lead 0.7 mm (M 40) HB and ballpoint refill M 21 black, blue and red. With system identification and Z 15 built-in eraser underneath the removable button.