Amazon.com: Earring Findings, Lever-Backs, Round 6-Prong Snap-On for 3mm Swarovski Gems, Platinum-Finished Brass, 17x14.4mm Sold per Pack of 8 (3pack Bundle), Save $2
Stud earring bases for European Crystals ss39 Sterling Silver 925
Ear wire, JBB Findings and crystals, antique silver-plated brass, crystal clear, 20mm leverback with 12mm rivoli glue-in setting. Sold per pair. - Fire Mountain Gems and Beads
Ear wire, JBB Findings and Swarovski? crystals, antique silver-plated brass, crystal clear, 28.5mm leverback with open back and 14x10mm oval bezel setting. Sold per pair.1pk - Walmart.com