Seed Beads 8/0 Czech Translucent Iris (a full one hank pack) over 125 colors available individually!, Medium Blue High quality Czech 8/0 glass seed beads. Sometimes referred to as ochos. 8/0 Czech glass seed beads are an ideal bead for weaving, stringing and sewing onto fabric. Slightly bigger than a 10/0 therefore very easy to use. Use with nymo thread sizes D, B and size 10 English beading needles for weaving and loom work. Approximate pack specifications: 2.65 ounces: Hank or hank equivalent of 12x20" strands, 3100 beads.