Lamy cp1 tri-pen
Brushed steel multi-function pen with polished solid steel clip. Twist in the middle to reveal a black ballpoint pen, a pencil or a fluorescent orange marker for highlighting. The push button that advances the lead conceals an eraser.
Refills for the cp1 tri-pen are: M21 'matchstick' ballpoint refill; M41 .5mm HB leads; M55 orange marker; Z15 eraser.
Writing system: Multisystem