TWSBI ECO Rootbeer w/ Bronze Fountain Pen《Medium》 bullet journal The high-quality mechanics hold a

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TWSBI ECO Rootbeer w/ Bronze Fountain Pen《Medium》 bullet journal The high-quality mechanics hold aTWSBI fountain pens are renowned for their high quality and affordability, offering advanced filling mechanisms usually found in more expensive pens. The TWSBI ECO features a high capacity piston filler, a sleek transparent barrel that lets you keep track of your ink level, and a hexagonal screw on cap. How to use the Piston Filler Fountain pen by TWSBI: Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!