9mm sterling silver extra large earrings backs.
6 Piece Package

Can be used with any kind of standard or heavy push back earrings.
Hole Size: 0.76mm (0.030”)
Fits Post Diameters: 0.0255"-0.036" (0.65mm-0.91mm)
Premium heavy duty high quality replacement earring backs.

Extra secure backs are very safe and you will feel them snap into place & will only come off when you are ready to take them off. Solid .925 Sterling Silver. Friction Clutch. Fits most post Earrings.
Large, Genuine Silver Earring Backs