FCL Tungsten Rings for Men 18K Gold Plated 8mm Matte Brushed Size 7-13 Material:Tungsten Carbide. 8mm Comfort Fit The inner surface is polished , so that the ring is comfortable to wear. Elegant Brushed Matte Surface, Excellent Touching Feeling 30 Days Money Back or Exchange Guarantee.We checked all the items carefully before the delivery,if you have any problem,please feel free to contact us.