The Numeno Bearing Ring

Spinity — Designed for everyday wear , Fate D20 — Built for tabletop play.

Why Numeno

Why is it different from other spinner rings?

  • 2mm Ultra-Thin Design

    Engineered with extreme precision to achieve a truly wearable ultra-thin spinning ring — refined enough for everyday jewelry.

  • Precision Bearing System ±0.01mm Tolerances

    Engineered with 0.01mm precision to deliver a smooth, balanced spinning experience — built for lasting smoothness.
More frequently asked questions

Backed on Kickstarter

Our journey began with early supporters who believed in a new kind of mechanical jewelry.
Successfully funded on Kickstarter, Numeno™ and Spinity® have been tested, trusted, and brought to life by a global community.

Explore Our Kickstarter Story

Numeno Spinner Ring – Smooth Precision Rotation Up To 20s