Pearl Post with Cup 4mm Sterling Silver (1-Pc) This Sterling Silver Pearl Post is perfect for creating beautiful Pearl or Bead Earrings. Pad Size: 4mm, Fits 5mm to 6mm Pearls Post thickness: 22 gauge This is one replacement pearl post, order two if a pair is needed. Just add a drop of your favorite Glue, slide the Pearl onto the Post, let dry, and you've created a beautiful Pearl Earring!