8mm 3 Three Stone Diamond Bezel Men's Cobalt Free Tungsten Carbide Comfort Fit Wedding Band Ring (0.09 CTW., G-H, SI1-SI2) Tungsten Carbide. Scratch proof and very resistant to wear. **Does not apply for coated Tungsten Bands** One of the most popular contemporary metals for Bridal Jewelry and Wedding Bands Speedy shipping with Free gift box. All purchases made with Truvari include an industry leading lifetime warranty from manufacturing defects. Manufactured using Truvari quality standards. Free from cobalt making this item tarnish proof.