Leverback Earring with 3mm Bead Gold Filled (1 Pair of Earrings) This Gold Filled Lever Back Earring with 3mm Ball is perfect for creating elegant Dangle Earrings. Use your favorite Crystals, Beads, Charms and more to create your own one of a kind Earrings. This Earring features a 3mm Open Jump Ring, plus a hinge syste Size: 18mm Post thickness: 20 gauge Ball size: 3mm * Order this for 1 Pair