Beadalon 49 Strand stringing wire consists of 49 smaller wires stranded together and nylon-coated for the best flexibility. This is a bright stainless steel wire coated in clear nylon. It has the softness of thread with the strength and durability of stainless steel wire. It is specially designed to be used with crystal , metal, ceramic, glass, seed beads, medium to heavy gemstones and freshwater pearls. The smooth nylon coating provides abrasion resistance, prevents kinks, and prolongs strand life. Beadalon 49 Strand is soft and flexible to be knotted with ease. 3.8mm (0.015") x 9.2m (30ft)