All of our items are Brand New!! Metal: 16g, 18g or 20G Surgical Stainless Steel Gemstone Type: 2,2.5,3,3.5,4mm Simulated Opal Special Finish: High Polish Size / Style: 16g, 18G or 20G (5mm - 10mm Length) Product ID: J945z These rings are great for easy insertion with no worries of them coming unscrewed, they are also Surgical Stainless Steel. Hypoallergenic and comfortable. You will get one ring in unless you choose one of the lots. You can select the length, gauge and stone size you would like.