Hawaiian Koa Wood Tungsten Ring Handmade from Hawaiian Koa wood and sand — a wood that grows only on the islands of Hawaii. Koa means 'Warrior,' and the wood has long been a symbol of wisdom and strength. Set in a heavy-duty tungsten carbide band and sealed in waterproof resin, it's built for lifelong daily wear. Key Features & Performance Island Heritage: Genuine Koa — the warrior wood — grows nowhere else on earth but Hawaii. Tungsten Carbide Band: Scratch-resistant and virtually indestructible, with a satisfying weight. Waterproof Resin Seal: The inlay is fully encased in high-gloss resin for worry-free daily wear. One of One: Handcrafted to order — no two rings share the exact same pattern. Product Specifications Band Material Tungsten Carbide Inlay Hawaiian Koa Wood & Sand Profile Comfort Fit Finish Waterproof Resin Seal Widths Multiple width designs — choose at checkout Lead Time Made to order — approximately 4–6 weeks (see Shipping & FAQs) Origin Handcrafted to order in USA