Specifically developed for bead stringing, Designer Series Beadalon 19 is an ideal choice for creating treasures with seed beads, freshwater pearls, and ceramic, glass, and stone beads. Contains 19 strands of strong stainless steel. Nylon-coated for increased kink and abrasion resistance, Beadalon 19 is easy to work with (no needle necessary), super-strong, and renders secure jewelry that lasts! Made in USA. Bright, .021 Inch (Heavy), 30 Feet