2 Pairs, 14K Gold Filled Interchangeable Lever Back Earring Findings Interchangeable, with closed loop Pack of 4 pieces, 2 pairs Measures: 3/8" x 5/8" (9.5mm x 15mm) Gold Filled: Stamped "1/20 14K" Composed of a solid layer of gold that is mechanically bonded to a base metal "jewelers brass."