This is one pair of 14k yellow gold earring backs ; that have been expertly covered in silicone. It enables easier secure backs to your post and stud earrings. The small Japan made earring nuts are stamped 14k; it's 5 mm diameter, 3mm thick, a hybrid style.
* Silicone-Covered 14K Yellow Gold
* Hybrid silicone-14k style on standard ear nut
* 5mm diameter 3mm thick, small
* Stamped 14k
* Hole size .031", made in Japan