The Eco Plum with Onyx pairs a deep wine-purple acrylic barrel with a contrasting Onyx cap and piston knob — a rich, two-tone finish on TWSBI's benchmark piston filler.
Key Features
Plum acrylic barrel with contrasting Onyx cap and piston knob
Stainless steel nib, available in Extra Fine, Fine, Medium, Broad, and Stub 1.1mm
All-metal spring-loaded clip for secure pocket carry
High-capacity piston filler that holds up to 1.7ml of ink
Filling System
Unscrew the end cap, dip the nib into your bottled ink, turn the piston knob, and you're ready to write. No cartridges or converters needed.
