ECO (Cosmos Blue / Onyx) - Fine

2025-11-26T00:46:42+08:00

ECO (Cosmos Blue/ Onyx) - Fine

TWSBI's ECO fountain pen has always been a great choice for beginners and long-time users alike due to its affordability and quality. Fitted with a piston fill mechanism, the ECO has a large ink capacity at approximately 1.7ml.

This version of the ECO is furnished with onyx hardware.