MJ Metals Jewelry White Tungsten Carbide Center Groove Brushed Top Wedding Band 5mm Ring Scratch Resistant. Mirror Finish Cobalt Free AND Comfort Fit. Nickel used as a binder If it is not stamped "WHITE TUNGSTEN CARBIDE" inside, then it isn't FREE SHIPPING, Select Metals Jewelry if you are not a Prime Member---&gt; To have this item laser engraved on the inside with your personal message please select size and then "ENGRAVED" from the drop down menu You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!