Frost Rollerball Pen - Violet Esterbrook [HIR] has been developed and

[HIR] has been developed and manufactured to be low-irritant

Fountain pen tests conducted by Yamamoto Shigyo showed that even with low viscosity inks such as HERBIN pink and red

enabling a rich breadth of color expression on stainless steel

this pen transforms from a pint-size powerhouse into a full-sized writing instrument

Frost Rollerball Pen - Violet Esterbrook [HIR] has been developed andTexture inspired by frosted glass Simple, seamless form Body design for writing ease Visible ink level Quick access screw cap Replaceable nib A pen that evokes the texture of frosted glass. Its translucency reveals the internal mechanism as an aesthetic feature. Careful consideration of form and colour palette ensures an elegant presence, even when not in use. Explore the product story for more design insights. The pen is equipped with thoughtful