Large Hole Beads and Quick Change Components. Your Favorite Earwires with Sterling Silver Lobster Claw Clasps, Bead Barrels and Fabulous Beads. Use these components with your own collection of large hole beads, or the beads you find here. Our Bead Barrels measure 9mm high and 4.3mm in diameter. They will accommodate 9-10mm X 14mm beads with holes of 4.5-5mm.