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>Gold Plated/Finished>Gold ColoredFindings and Components>Bead CapsGold Plated/FinishedGold Coloredhttp://www.firemountaingems.com/itemdetails/h205782fdH205782FDBead cap, antique gold-plated pewter (tin-based alloy), 5x4mm round with rope design, fits 3-4mm bead. Sold per pkg of 10.//image3.fmgstatic.com/images/p5782fdb.jpg8.588.58As Low As $0.40 per bead cap