8mm Tungsten Carbide Meteorite Men's Ring (Available Sizes 8-14 Including Half Sizes) 8MM Tungsten Carbide Meteorite Men's Ring (Available Sizes 8-14 Including Half Sizes) Genuine Tungsten Carbide (Cobalt Free) - Hypoallergenic Beware of Imitated Replicas All rings come with a 100% Money Back Guarantee