Tungsten Carbide His (8mm) & Hers (6mm) Celtic Knot Engraved Wedding Ring Band Set; His and hers 8mm & 6mm wide Laser Engraved Tungsten Rings have a unique Celtic knot in the center of the band. This Celtic design symbolizes never ending love. also comes with polished edges which are separated from the laser engraving by two finely polished grooves. This ring can be worn as a Wedding Band or Promise Ring by men or women. Also Available Half Sizes, please let us know.