Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K Yellow and gemologists who require precision

and gemologists who require precision and reliability at the bench or in the field

Removable adjustable end stop

5 mm round Approximate Carat Weight 2½ ct (diamond weight equivalent) Prong Count 4 Ring Size 6 (standard USA) Construction Die struck Finish High polish Origin Made in the USA Notes

Lightweight and comfortable

Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K Yellow and gemologists who require precisionThese large extra heavy 7. 3 mm friction earring backs also called friction ear nuts are designed for secure, professional earring construction. The 7. 3 mm measurement refers to the outside diameter at the widest part of the nut. Each back is compatible with ear post diameters ranging from 0. 76 mm to 0. 97 mm, corresponding to approximately 21 to 18 gauge wire. Available in 14K yellow, 14K white, 18K yellow, and 18K white gold, these findings are