Ballpoint pen RollerBall from FABER-CASTEL with liquid water-based ink and a system of capillary supply of ink which guarantees a continuous writing and smooth flow to the last drop.
It features a conical nose steel 0,7 mm with a thickness of writing 0.7 mm, in the trunk of the transparent part for checking the ink level and clear color marking on the handle.
Closes with a lid that contains a metal clips free of nickel.