Pair of Black Ceramic and Tungsten Carbide with Koa Wood Inlay - 4mm & 4mm, Dome Shape, Comfort Fitment Select 4mm Tungsten Ring Size:4 This tungsten ring set features

This tungsten ring set features a thin Hawaiian koa wood and a abalone shell inlay with a polished finish on the edges

Material: Black Ceramic and Tungsten Carbide

Tungsten carbide can only be scratched or damaged by extreme measures

This dome-shaped black ceramic ring features a blue opal inlay

each piece captures the spirit of the islands and carries a legacy meant to be treasured for generations

Pair of Black Ceramic and Tungsten Carbide with Koa Wood Inlay - 4mm & 4mm, Dome Shape, Comfort Fitment Select 4mm Tungsten Ring Size:4 This tungsten ring set featuresItem Specifications Material: Black Ceramic and Tungsten Carbide Width: 4mm Shape: Barrel Dome Finish: High Polish Inlay: Hawaiian Koa Wood Inlay Style: Single Fitment: Comfort Product Description Tungsten carbides are in no doubt one of the strongest metal used in the jewelry industry. It is approximately two times stiffer than steel and twice the density. Our tungsten carbides are also nickel free which makes it hypoallergenic for most individuals.