This 7-strand flexible beading wire is both economical and strong. The wires are twisted together and coated in nylon for a smooth finish. The wire is stiff enough that no needle is needed to string beads yet supple enough to take on the curve of the neck or wrist. Use crimp beads to fasten a clasp onto the ends. Measures .012", 7 strands. We recommend the following to select your size: .012" -Very small holed beads .015" -Semi-precious stone beads & pearls .018" -Glass beads .024" -Heavy large-holed beads and metal.