Cartesian Ring

Walnut & Carbon

$99
More than 1,000,000 happy customers worldwide

Find your size

Ring size
9.1
9.9
10.7

Find your size

Payment Methods
  • Info Popup Free shipping worldwide Info Popup Our customers enjoy free delivery without any import duties or taxes! Learn more>
  • Info Popup 24 months warranty Info Popup If you find a defect in your model, please contact our customer support and we’ll find the best solution for you. Learn more>
  • Info Popup Extended refund: January 31, 2025 Info Popup You can return your model within the extended return period until January 31, 2025. Learn more >

DESCRIPTION

The visual representation in the coordinate system is a good aid for complex mathematical problems and turns confusing puzzles into solvable challenges.

Stay on top of any challenge with your "Cartesian" ring! The combination of warm walnut wood, carbon fiber and stainless steel is guaranteed to be waterproof and is the perfect complement to any outfit. With your "Cartesian" you'll surely be ready for any challenge you may face in life!

EAN: # cartesianring4

Technical details

Width: 8mm

Ring size: Available in a range of sizes

Material: 316L stainless steel in carbon, carbon fibers and fine-grained walnut wood

Water-resistant thanks to HydroDef Technology

Manual
 

What makes Holzkern special

Excellent customer support  Excellent 
customer support 
Money-back guarantee Money-back 
guarantee 
High-quality materials High-quality 
materials 
24-month warranty 24-month 
warranty 
Free shipping worldwide Free shipping 
worldwide 

Core Features

Walnut wood

Walnut wood

Elegant & durable. The distinctive grain and the diverse range of colors from chocolate brown to almost black brown make this type of wood one of our favorites for the production of watches, jewelry, sunglasses and handbags. Walnut wood also impresses with its high density and the associated stability, which promises your piece of nature a long life!

PACKAGE CONTENTS