Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K Yellow Removable adjustable end stop

Removable adjustable end stop

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

Supports safe pressure operation by maintaining boiler water-level visibility

Adding the second charcoal stage in the Combo configuration reduces CFM compared to single-media models—this is normal and expected

Select by carat weight or millimeter size as listed

Gold Large Extra-Heavy 7.3mm Friction Earring Backs Metal Types:14K Yellow Removable adjustable end stopThese 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