Seed Beads Czech 13/0 Charlotte Cut Opaque (a one hank pack) Black Czech 13/0 charlotte cut seed beads are considered to be the ultimate seed bead by bead artists. Czech 13/0 charlotte cut seed beads are true charlottes, measuring 1.5mm. True 13/0 charlottes are very hard to find and are always in short supply! Each Czech 13/0 charlotte cut seed bead has one facet for sparkle and shine. Approximate pack specifications: 0.45 ounces: Hank or hank equivalent of 12x12" strands, 3800 beads.