12/0 Transparent Ruby Iris 3-Cut Czech Seed Bead (10 Hanks) Preciosa #91120Size 12 0 (1. 7mm) 3 cut glass seed bead in transparent ruby iris. Faceted cut adds sparkle and irregularity to your designs. Current manufacture from the Czech Republic. 10 hanks (1 bunch) per package. About 160 beads per gram. 20 beads per inch. Hanks contain approximately 3,700 beads strung on 10 strands. 1 bunch holds 10 hanks, approximately 37,000 beads. Use with size 13 beading needle and size O or OO Nymo thread. *This item is special order