TWSBI Diamond 580 Fountain pen clear is a classic fountain pen with a piston ink-filling system. The Diamond 580 comes with a benchmark ink-filling mechanism and has all detachable parts Twsbi allows the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.
Available in nib sizes EF, F, M, B, 1.1 (Stub).
Each pen comes in its own packaging box.