Sterling Silver Heavyweight 7mm Friction Earring Backs - Pack of 12 Ring Mountings and longest-lasting needle files available

and longest-lasting needle files available

or polishing rocks

Also suitable for lapidary rock tumbling with silicon carbide and cerium oxide

9 mm 140 mm (5-1/2") Width × Thickness 4

Each set is sold by the piece — one post and one nut — and is available in 14K Yellow

Sterling Silver Heavyweight 7mm Friction Earring Backs - Pack of 12 Ring Mountings and longest-lasting needle files availableThese extra heavy sterling silver friction ear nuts offer a larger footprint than standard ear nuts, making them an excellent choice for heavier earring designs where a more secure, substantial backing is needed. At 6. 8 mm outside diameter, they sit between standard ear nuts and the oversized "monster" style, providing confident hold without excessive bulk. They fit post diameters ranging from 0. 76 mm0. 91 mm (0. 030"0. 036") and are made in the USA