Set of four metal studs with different shaped bezel-set stones + charms Sold as a set of four Studs are 19.5mm x 7mm & 17mm x 6mm 5.8 grams per set Made from Brass with CZ Stones Plated Silver Also available in Gold Posts are made from surgical steel so they are very hypo-allergenic for sensitive ears Earrings are 100% nickel-free and cadmium-free