Bead caps are used to "frame" beads with metallic color and detail. Each bead cap is concave to hold oval and round beads in their caress. Beads that fit the bead cap can vary up to 2mm more in size.
Bead Caps>Copper Plated/Finished>Copper ColoredFindings and Components>Bead CapsCopper Plated/FinishedCopper Coloredhttp://www.firemountaingems.com/itemdetails/h205799fdH205799FDBead cap, antique copper-plated pewter (tin-based alloy), 8x4mm round with lines, fits 6-8mm bead. Sold per pkg of 10.//image1.fmgstatic.com/images/p5799fdb.jpg8.058.05As Low As $0.37 per bead cap