Threaded Screwpost diameter 0.91mm/.036, Length 11.1mm/.437, with screw ear nut two hole, hole size 0.91mm/.036, outside diameter 6.0mm (one
Backings are essential to use for earrings and while there are different type of backings, screw back is another type of backing that can only be
18k White Gold Earring Screw Backs Threaded Post to fit .034 Inch (1 Pair)
Earrings — Otto Frei
18K Screw Back Earrings: Shop Screw Back Earrings - Macy's
Silver Replacement Screw Earring Backs Secure for Diamond Studs, 3
Tilo Jewelry 14k Yellow Gold Polished Ball Stud Earrings with
Two Earring Back Replacements
Twisted And Duo Hoop Earring Set 3pc - Universal Thread™ : Target
14K Gold Threaded 18g Flat Back Stud with Easy Guide Pin
Earrings — Otto Frei
Catinee 4 Pairs Screw On Earring Backs,14k Gold Screw