Earring S base made in pair for both 2 metal allergy mm double nickel locking fall 18K earring earring yellow gold [KOHSAi] backs, size, metal, Japan,

[KOHSAi] Earring backs, S size, base metal, made in Japan, pair for both ears, 2 pieces, engraved, metal allergy friendly, 0.65-0.7 mm post, durable, double lock, nickel free, locking style, won't fall off, 18K gold, K18, simple, earrings, earring catcher, earring parts, yellow gold