Types of Earring Backs - Butterfly and Screw, and Alpha Fittings
14k Solid Real Gold Screw Back Earring – Karizma Jewels
Ear Screws | Screw Back Earrings | Cooksongold
14K Gold Screw Backs for Girl Earring Studs - Fit for 0.028" Threaded Post (4 Pairs) : Amazon.co.uk: Fashion
Real 14k Gold Screw Back Earrings – Karizma Jewels
Gold Screw Back Stud Earrings – Chic Stories
Amazon.com: DELECOE 14K Gold Screw On Earring Backs for Diamond Studs 925 Stering Silver Hypoallergenic Screw Backs Replacement Screw on Earrings Back Fit Post Sizes .032'/0.8mm 4-Pairs