Cartesian Ring
Walnut & Silver
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Free shipping with tracking number to Canada
Our CA customers enjoy free delivery without any import duties or taxes! Learn more>
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24 months warranty
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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24-day refund policy
You are free to return your model within the 24-day period. Learn more >
DESCRIPTION
Visual depictions in a coordinate system are a great resource when it comes to complex mathematical data, and they provide solutions to otherwise difficult problems.
Stay on top of every situation with your ring from the Cartesian Collection! The three-way material combination of unique walnut wood, cork and silver stainless steel offers the perfect accompaniment to every outfit and is guaranteed waterproof. With your own “Cartesian”, you’ll be prepared for every occasion and circumstance!
Technical details
Ring width: 8mm
Ring size: Available in a range of sizes
Material: 316L stainless steel in silver, black cork and genuine walnut wood
Waterproof thanks to HydroDef technology
What makes Holzkern special
Excellent customer support
Money-back guarantee
High-quality materials
24-month warranty
Free shipping worldwide
Core Features
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!
Perfect for Sets
Birds of a feather flock together. Combine this product with other colors from this collection or necklaces, bracelets, rings or earrings in the same design. Discover all the unique pieces in this collection and complete your one-of-a-kind jewelry set!
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!
Perfect for Sets
Birds of a feather flock together. Combine this product with other colors from this collection or necklaces, bracelets, rings or earrings in the same design. Discover all the unique pieces in this collection and complete your one-of-a-kind jewelry set!
PACKAGE CONTENTS
Your model
Safe-keeping box
Cork holder
Protective padding
THIS IS WHAT HOLZKERN STANDS FOR
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
Founder of Holzkern
Hello Nature-Lover!
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