Sterling Silver Heavyweight 7mm Friction Earring Backs - Pack of 12 Ring Mountings Also suitable for lapidary rock

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

Motor and control both supplied with continental European style plugs

two 2 × 7/16 in magnetic strips

and longest-lasting needle files available

80 mm unless otherwise noted on individual items

Sterling Silver Heavyweight 7mm Friction Earring Backs - Pack of 12 Ring Mountings Also suitable for lapidary rockThese 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