MJ Metals Jewelry 4mm Tungsten Carbide Plumb Carbon Fiber Inlay Wedding Band Scratch Resistant Mirror Finish Cobalt Free and Comfort Fit. Nickel used as a binder Velvet Pouch Included To have this ring laser engraved with your personal message please select your size and "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!