Knucklebone Dexterity Toy - Zirconium

A dexterity toy made of solid zirconium! The Ultimate Dexterity Trainer!

  • Colors: Black
  • Materials: Zirconium
  • Measurement: 20*60mm
  • Weight: 65g


Build Dexterity & Reduce Fidgeting

The Zirconium Dexterity Toy is spun between your fingers with one or both hands to train dexterity, perform tricks, or simply to pass the time. For those with ADD, ADHD, autism, or anxiety, it can bring relief. With practice, it can help all achieve better focus and clarity by reducing fidgeting.


Milled from a single piece of solid zirconium. Zirconium creates a natural, beautiful, jet-black oxide layer when heated at high temperatures. This layer makes it incredibly durable and scratch-resistant. It’s black lustrous finish is very beautiful making this the ultimate dexterity toy.

Polar Metals seeks to spice up your life with interesting and unusual metalsin unexpected ways.

- Innovative + Beautiful Tool For Increased Dexterity

Polar Metals raised over $16,000 to bring these knucklebones to life! Get yours now!

Sign up for our Newsletter