TWSBI Diamond 580 AL Silver Fountain Pen Size:M Interior Features: Two front-wall slip

Interior Features: Two front-wall slip pockets

Converter sold separately here

the same nib used for the popular Twsbi ECO fountain pen

Its adjustable strap

2 mm and the hardness is 5B

TWSBI Diamond 580 AL Silver Fountain Pen Size:M Interior Features: Two front-wall slipTWSBI Diamond 580 AL Silver Fountain pen 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. New aluminum machined grip, connector, and piston rod. Available in nib sizes EF, F, M, B, 1. 1 (Stub). Each pen comes