The 2.5mm are very small and are good for Infants, nose piercings, multiple ear wholes and for anyone who wants a tiny secure screw-back earring.
14k White Gold Solitaire Round Cubic Zirconia CZ Stud Earrings in Secure Screw-backs
14k White Gold Ball Stud Earrings with Secure and Comfortable Screw Ba – Art and Molly
Children's Cubic Zirconia Butterfly Earrings 14K Yellow Gold
Kegan: Our popular 8mm Square cut Russian Ice on Fire Diamond CZ Gemstone Stud Earrings with Threaded Posts and Screw-on backs or clutches. If you're
Kegan: Mens 8mm 5.80ct Square Cut Russian Ice CZ Screw Back Earrings
14k Yellow Gold Baby Girl's 4mm Clear Bezel Cubic Zirconia Screw Back Earrings
14k Solid Real Gold Screw Back Earrings
Screw Back Earrings Archives - YK Beauty
Children's Stud Earrings Cubic Zirconia 14K Yellow Gold
Children's 14k Gold Screw Back Earrings
14k Yellow Gold Round 2mm Solitaire CZ Stud Screw-back Earrings for cartilage piercing or second earring hole