Bead Frames are very popular right now. You can “stud” the beads inside them, Swarovski crystals and spacers, as long as they’re not more than 9mm in diameter. Made from lead/nickel-free Pewter and electroplated with different metals. You can use normal “Gold and Silver cleaner” to clean these connectors. Measures 13mm outer diameter x 9mm inner diameter, vertical hole measures approximately 1mm and will fit up to 18gauge stringing wire. Sold by pack of 10 Frames. Please enlarge picture for sample.