24k Gold Anodized Over Surgical Steel Screw-on Plugs/gauges W Clear Diamond Cz Stones 2 Piece (5/8 (16MM)) Go to amazon.com Related posts How to find the best gauges 5/8 gold for 2022? Featureclear diamond CZ stonesScrew-on Plugs/Gauges/tunnels24k gold plated over Surgical Steel, Nickel-free, 316Lear Tunnels DescriptionSurgical steel. 316L. Covered with 24K gold-plated and beautiful cubic zirconia stones around the circle.