Brass Circlet bead jackets, Connectors, in Silverware Silverplate, 10mm outside measurement, made to surround a 6mm bead. Smooth all around with a hole on each side. Set your bead inside the jacket lining the holes up and slide your head pin straight through both. Easy Peasy! And gives an elegant look to your beads. Fits a 6mm bead perfectly. Sold in a set of six (6) pieces.