Metal Nano Ring Loop Threader x 2 Metal Nano Ring Loop Threader x 2 £5.00 Quantity: at £5.00 each Add To Basket Metal Nano Ring Loop Threader Ultra fine Micro Ring / Nano Bead Threader Will fit 200-250 standard nano beads. Ultra fine loop is best suited for nano beads, although can be effectively used for micro rings too. High quality multi-strand wire means these are much longer lasting than other single wire loops available. to use than hooks, I can even fit my own nanos really easily with these threaders. For easy nano bead threading simply push the looped end into the beads on a flat surface. No micro rings or nano beads are included.