When closed, the LAMY pico telescoping pen is a compact 3 3/4", just right for your pocket! Open it up and the pen expands to a comfortable writing size of approximately 5".
The pico features a small protrusion to stop the pen from rolling and has won a red dot award for product design. Medium point black ink. Refillable with Lamy M22 refills (sold separately). Diameter: .5".