If you are looking for a ring that is scratch proof and forever keeps its shine than this Tungsten Carbide ring is for you. This beautiful ring is 8mm in width. It is all high polish, diamond cuts multi-faceted surface. This ijewelry2 Tungsten ring is Cobalt Free and hypoallergenic. It will not cause skin irritations. Due to the Hardness of Tungsten, these rings can be laser engraved, but not hand engraved. Tungsten Carbide is ranked second hardest next to diamonds on the Mohs scale, diamond being a 10 followed by Tungsten Carbide as 9. Different sizes are available; choose the size that best fits your finger.