From TRITON, this Raw Collection 6mm comfort fit band is crafted in tungsten carbide with a black Diamond Like Coating (DLC) that provides a raw, unfinished look with a luxe black matte finish. This band features a domed profile and rolled edges. As a comfort fit band, this ring has a rounded interior specifically designed for the most comfortable all-day wear.The manufacturer “Forever Fit Warranty” is included with this ring. If your ring size ever changes, the manufacturer will re-size or replace your ring for a minimal shipping charge. This warranty gives you the assurance of enduring wearability.