Unique 8mm Tungsten Carbide Wedding Ring w/ Celtic Knot (Available in Sizes 5-15) 8mm Comfort Fit Cobalt Free Tungsten Carbide Band Tungsten Band with Beautiful & Eye-Catching Celtic Love Knot Design Shape: Flat with Step Down Edges; Finish: Combination Not resizable but we are more than happy to exchange it for you. **Please verify your size before checking out**