These Kidney Ear Wires are the perfect choice for lightweight beaded earring designs. They measure 18mm; 21 gauge. Made of stainless steel and come in packs of 1, 2 or 5 pairs. The hook shape of the ear wires ensures that your earrings stay secure and won't fall out. Add these stylish and secure ear wires to your earring findings and create beautiful earrings that will last.