Cartesian Ring

Maple & Blue

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

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Ring size
9.1
9.9

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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>
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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 black colored maple wood, cork and stainless steel in blue 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: # cartesianring3

Technical details

Width: 8mm

Ring size: Available in a range of sizes

Material: 316L stainless steel in blue, black colored maple wood and cork

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

maple wood

maple wood

maple wood gives our watches, jewelry and accessories natural elegance with a regional character. We like to dye the light-colored, fine-grained wood to further emphasize its unique charm and make each piece an individual work of art. Each piece as unique as you are!

PACKAGE CONTENTS

THIS IS WHAT HOLZKERN STANDS FOR

Natürlichkeit

Uniquely natural

Nature through and through, that's what our watches & pieces of jewelry stand for. The unique structures of wood and stone make your Holzkern product truly one of a kind.

Holzkern Family

The Holzkern family

With your purchase at Holzkern, you are supporting a young start-up that was founded as a family business in Upper Austria in 2015.

Nachhaltig Verpackt

Sustainably packaged

Our watches, bandlets and jewelry are packed in high-quality wooden boxes. We also use recycled paper to protect your order during shipping and, thanks to our self-adhesive boxes, we don't use plastic tape.

Schneller Versand

Order today, already on its way

As soon as you order, your unique piece will be on its way to you. Is that too fast for you? No problem, after receiving your goods you have 24 days to change your mind if you don't like them 100%.

Uniquely natural

Nature through and through, that's what our watches & pieces of jewelry stand for. The unique structures of wood and stone make your Holzkern product truly one of a kind.

The Holzkern family

With your purchase at Holzkern, you are supporting a young start-up that was founded as a family business in Upper Austria in 2015.

Sustainably packaged

Our watches, bandlets and jewelry are packed in high-quality wooden boxes. We also use recycled paper to protect your order during shipping and, thanks to our self-adhesive boxes, we don't use plastic tape.

Order today, already on its way

As soon as you order, your unique piece will be on its way to you. Is that too fast for you? No problem, after receiving your goods you have 24 days to change your mind if you don't like them 100%.

"With Holzkern, I always want to express my love of nature and have set myself the goal of creating the perfect piece of nature for everyone."

Elias Ferihumer

Elias Ferihumer

Founder of Holzkern