Silver 19 Strand Wire Flat Spools - 0.40mm strand bead stringing wire combines the flexibility and convenience of thread with the strength and durability of stainless steel wire. Specially designed for stringing ceramic, glass, metal and stoned beads as well as seed beads and freshwater pearls. 19 strands is nylon coated for increased kink and abrasion resistance (bead needle is not necessary). This strand is 0.40mm in diameter. The spool contains approx. 30 feet of wire.