A four-lobe sweep
The swooping fidget-spinner profile is not styling. It is leverage. Dense herb yields without effort, and grip issues disappear into 10mm pillowed edges.
316L Surgical Steel · Metal Injection Molded
The last grinder
you will ever buy.
Not a tool. A monolith. Forged, sealed, and weighted like a polished river stone — the ritual, completely rethought.
Most grinders are slippery cylinders in a cardboard box you throw away. We started over. A single piece of surgical steel, an airtight magnetic vault, and a silhouette engineered to sit in the palm like a cold, perfect pebble.
01 — The Object
The S-Curve.
Thirty diamonds that slice
Three concentric rings of solid steel elongated-diamond teeth, 6.5mm tall. They cleave the material cleanly rather than crushing it — preserving every trichome.
A frictionless track
A perfectly sealed internal sliding bearing on a 21mm radius. It turns with the quiet, weighted inevitability of a vault door.
Heavy, by design
A hollow internal lattice sheds dead weight while a heft remains where it belongs. It feels, unmistakably, like something that cost more than it did.
Two finishes · one tool
Mirror Shine
A flawless polished chrome that throws the room back at you. The showpiece. The one you leave on the table.
02 — The Vault
The box is the point.
Every other grinder's packaging ends up in the bin. Ours becomes the most over-engineered stash jar ever made — solid metal, airtight, and yours forever.
Magnetic snap-lock
Eight embedded neodymium magnets — four in the lid, four in the base — pull the custom silhouette into perfect alignment and close with a single, satisfying report.
Smell-proof double seal
A raised registration lip and a premium double-wiper silicone O-ring. 100% airtight. 100% waterproof.
Terpene shield
A hidden friction-fit pocket in the roof holds a Boveda 62% pack. Your herb stays exactly as cured.
Total UV blackout
Solid metal walls. No light gets in, so nothing degrades. Suspended on cut EVA foam.
Zero waste
Nothing here is meant to be thrown away. The packaging is the product. That is the whole idea.
03 — Specification
Measured, to the millimetre.
- Material
- 316L Food-Grade Stainless Steel
- Process
- Metal Injection Molding (MIM)
- Diameter
- 88 mm widest point
- Height
- 53 mm 26.5 mm per half
- Teeth
- 30 × elongated-diamond 3 concentric rings · 6.5 mm
- Bearing
- Sealed internal track 21 mm radius
- Edges
- 10 mm radial fillets
- Vault seal
- Double-wiper silicone O-ring airtight · waterproof
- Magnets
- 8 × neodymium
- Finishes
- Mirror Shine / Matte Stealth
Acquire
One object.
One object.
A lifetime of ritual.
The STONE Ecosystem
S-Curve grinder · Magnetic vault · EVA suspension · Boveda 62% pack
Finish
€180incl. VAT · ships worldwide
Secure payment via Stripe. 30-day returns. Lifetime hardware.
The Journal