The classic shiny and tiny ball studs! Incredibly popular for their simple versatile design, the outfit combination options are limitless with radiant rose, sterling silver or glittering gold! All products are nickel-free and hypoallergenic. Item sold in sets. SPECIFICATIONS Gauge: 16G (1.2mm) Post Length: 6mm Material: 316L Surgical Stainless Steel Charm Dimension: 2mm, 3mm, 4mm Color: Silver, Rose Gold, Gold Internally Threaded MATERIALS 316L Surgical Stainless Steel We use only the highest quality of materials for our customers. 316L is an excellent choice due to its low risk of allergic reaction and strong resistance to water and tarnish. Our stainless steel is nickle-free, implant grade, safe for piercings, and our top-grade rose and gold plating prevents any silver underlay from emerging.