Description
The Karst stone pen is a Swiss-made writing instrument crafted with 60% calcium carbonate – the same core material as Karst paper – giving it a premium weight and perfectly balanced feel, around 50% heavier than standard plastic pens. Its Floating Ball ink system delivers a smooth, bold line with up to 200% richer ink density and ultra-fast drying in just 1–3 seconds on stone paper, ensuring a clean, smudge-free writing experience. Designed with a hexagonal body, matte finish, and integrated steel clip, it offers comfort and control for everyday writing, sketching, or note-taking. Free from phthalates and harmful substances, the pen writes up to 5,000 meters and is built as the perfect finishing piece of the Karst writing system.
- Material: 40% ABS Plastic and 60% Calcium carbonate (mineral filler)
- Size: 14.2 x 0.71 x 0.71 cm
- Colours: Navy, Black
- Branding: Pad print · print area 73 x 3 mm
- Weight: 14 g
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