Bead caps are used to "frame" beads with metallic color and detail. Each bead cap is concave to hold 4-5mm oval, round and bicone beads in their caress. Beads that fit the bead cap can vary up to 2mm more in size.
Bead Cap Sets>Pewter>GreysFindings and Components>Bead Caps>Bead Cap SetsPewterGreyshttp://www.firemountaingems.com/itemdetails/h206482fdH206482FDBead cap, antiqued pewter (tin-based alloy), 15x11mm fancy teapot, fits 4-5mm bead. Sold per 2-piece set.//image1.fmgstatic.com/images/p6482fdb(2).jpg4.804.80As Low As $1.95 per 2 piece set