Seed Beads 13/0 Czech Metallic (a full one hank pack) over 60 colors available individually!, Red High quality 13/0 Czech glass seed beads in a wide range of beautiful colors and finishes. These tiny seed beads allow for incredible detail in beadwork designs. The traditional colors are perfect for classic beadwork, the modern colors for contemporary projects Use with nymo thread sizes O and A and size 13 or 15 English beading needles. Approximate pack specifications: 0.87 ounces: Hank or hank equivalent of 12x20" strands, 5500 beads.