Stone Pen

£16.00

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 only.

Based on 13

(4.5)

Colour:

Black

MATERIAL:
60% mineral filler (calcium carbonate), 40% ABS
INK:
Black Floating Ball® refill, 1.0mm
BODY COLOUR OPTIONS:
Black, Marine, (custom colours available for co-brand)
SIZE:
Standard G2 body format
WEIGHT:
14g
LENGTH:
142mm x 71mm
FINISH:
Matte texture with faceted geometry
COUNTRY OF ORIGIN:
Switzerland (refill), Italy (assembly)

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 of writing, with testing confirming consistent ink intensity across 25 full pages on Stone Paper.

Once your order is placed, please allow 2 business days to receive an order confirmation. Our team aims to dispatch all orders within 2 business days from the date of purchase. These timeframes are provided as a guide. We recommend using the tracking information when available to ensure your order is delivered successfully.

Barrel imprint (logo, up to 1-colour pad print or laser etch) Available with matching Pro Series Notebook for corporate gifting Custom colour matching (MOQ applies) Custom packaging sleeves or bundled gift sets

John K.Verified

03/19/2026
This is the one for the job
if you get a stone paper notebook or diary or journal or what ever ...get this , its made to do the job
Gerri R.Verified

03/18/2026
THE Perfect Pen!
I am no longer on the search for the perfect pen for my Karst journal. Well done!
Rod C.Verified

03/18/2026
A pen fit for a Flintstone.
I like pens. I have a lot of pens. I lose a lot of pens. If I lose this one, I’ll be most upset. Who knew, a Stone Age p...

KARST STONE PEN

Stone, meet pen.

Swiss-engineered from the same core material as our paper, the Stone Pen brings genuine weight, balance, and ink performance built specifically for stone paper –calcium carbonate, cast into a completely different form.

Built for Karst Stone Paper.

Hexagonal body and matte grip for cramp-free extended writing, with a steel clip that keeps it exactly where you need it.
Floating Ball® ink dries on Stone Paper in 1–3 seconds. Zero smudge, zero wait.
50% heavier than standard plastic pens, with the balance and precision to match.
Free from phthalates and harmful substances – designed to be safer for people and the planet.
Consistent ink intensity across 5,000 metres of writing, confirmed across 25 full pages on Stone Paper.