... 8mm,engrave your logo Tungsten ringsJewelry Type: Tungsten rings ,Material :Tungsten rings, ( Nickel and Lead free )Workmanship: highly polished by hand ... 70% balance pay off before shipment by T/T and western union. , western union is the fastest way ... with your logo in JPG or PDF File, and if you have your own designs, please don ... also pay highest attention to your design and copyright! Tungsten rings