Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K White 4:1 reduction gear sold separately

4:1 reduction gear sold separately

Pink gold filled construction with a base metal core and a thick bonded layer of gold

Platinum is a 95/5 platinum-ruthenium alloy

or green gold or platinum

This unit is sold with the new Quatro CoolBlue 1/2HP 2-speed polishing motor and is standard North American 120V

Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K White 4:1 reduction gear sold separatelyThese 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