Karst - Stone Pen
A Swiss-engineered pen from the same core material as their paper, the Stone Pen brings genuine weight, balance, and ink performance built specifically for stone paper –calcium carbonate, cast into a completely different form.
Swiss-made and crafted with calcium carbonate – the same core material as our paper - Karst Stone Pen brings premium weight and balance to every stroke. Floating Ball® ink system delivers what Stone Paper demands: smoother flow, a bolder line, and ultra-fast drying, with up to 200% richer ink density, and exceptional performance on regular paper. The finishing piece of the Karst writing system and the pen you’ll reach for every day. Available in Black and Marine body – black ink.
* Swiss-engineered with a hexagonal body for comfortable extended writing, a matte finish for secure grip and an integrated steel clip for effortless everyday carry.
* 50% heavier than standard plastic pens. Crafted with 60% calcium carbonate for perfect weight and balance.
* Free from phthalates and harmful substances – designed to be safer for people and the planet.
* Floating Ball® ink system dries in 1–3 seconds on Stone Paper (vs 30+ for gel) with smoother flow, bolder lines, and zero smudge.
* Writes up to 5,000 meters, with testing confirming consistent ink intensity across 25 full pages on Stone Paper.
Material: 60% mineral filler (calcium carbonate), 40% ABS
INK:
Black Floating Ball® refill, 1.0mm
Standard Parker Refill
FINISH:
Matte texture with faceted geometry
Overall Dimension: 5.6" × 2.8"; Standard G2 body format
Made in Switzerland (refill), Italy (assembly)










