Seven Seas Pearls 14kt White Gold 6mm Push on Earrings Replacement Butterfly Backs Backings 14kt White Gold 6mm Push on Earrings Replacement Butterfly Backs Backings Metal: 14kt solid white gold (stamped 14k) 5.8mm Diameter, 5.1mm Width, and 3.0mm thick You get one pair per order Hole size .032" , If you earrings has thick post like 0.7mm and up it will not go through