TWSBI Kai Fountain Pen ecoyellow Also fits our converters: spring

Also fits our converters: spring converter

Our ever popular Diamond 580 now with iridescent finish

Colors: Clear/Turquoise

TWSBI Diamond 50 Ink bottle: designed for every type of fountain pen and specific upper cap design for Diamond

Also designed with a ink shut off valve for easy carry and no mess on airplanes

TWSBI Kai Fountain Pen ecoyellow Also fits our converters: springPiston Filler Type fountain pen. Simply twist the end knob open and closed to fill the pen with ink. Acrylic cap, grip, body, end cap. RoseGold nib, clip, rings Limited Run, Special Edition Comes in EF, F, M, B nib sizes A quick no brainer guide in choosing nib sizes in an overly complicated fountain pen world: If you write small, go with an EF For the normal writer, F is the most popular If you tend to lean on a bigger font, M will be perfect B is