LEIFI Black Titanium Ring with Koa Wood Inlay and Bevels - 8mmLEIFI Black Titanium with Koa Wood Inlay and Bevels 8mm This highly sought after koa wood inlay black titanium ring comes from our wood inlay rings line is made of extremely durable black titanium and rare exotic koa wood. This design brings together the most durable material and one of the rarest woods on earth; Hawaiian koa wood. The inlay is made of 100% authentic Hawaiian koa wood, which cannot be cut down under Hawaiian law. Only trees that have