Never worn, brand new in a box I had my jeweler friend custom the keys to make them more intricate. 1 pair of studs earrings & gold-backs / black paper package Material : 10K Solid Gold (not plating) Key measures approx. 9.5 x 3.5 mm [ Stud Earrings ] - Length of Post : 9 mm - Thickness of Post : 0.6 mm - diameter of backs : 5.5mm (covered gold backs )