Materials: Made of 316L Surgical Stainless Steel & Natural Opal Stone Gauge: 1.2 mm(16g) Internally Threaded for 14 gauge anchors, Length : 2mm, Opal Size: 4mm Beautiful opal stone disc style, Internally Threaded Screw Fit, Great gift for women and men Can be worn in a variety of pierced places – Suitable for Lip, Labret,Necks ,Backs, Cheek,Anti-eyebrow,Chest ,Monroe piercing or any body part You will receive 1 pairs stainless steel opal dermal anchor top and base The items made with 316L Surgical Stainless Steel,it is able to durable to wear and use,it don’t cause any allergic reaction Gauge: 1.2 mm(16g) Internally Threaded for 14 gauge anchors,Length : 2mm,Opal Size: 4mm , Internally Threaded Screw Fit Beautiful opal stone disc style,Internally Threaded Screw Fit, Great gift for men and women Can be worn in a variety of pierced places – Suitable for Lip, Labret,Necks ,Backs, Cheek,Anti-eyebrow,Monroe,Chest or any body part