Miyuki 8/0 seed beads, also called round rocailles, are small seed beads. They are slightly bigger than the 11/0’s, only 3mm in outer diameter with a 1mm hole diameter. Size 8/0 seed beads can be used for stitches like flat spiral, right angle weave or Kumihimo weaving. There are 39 beads per gram so a 22 gram tube holds approximately 858 beads. The tube is 5 Inches long and 9/16 Inches wide. The individual beads measure: Length 3mm, Width 2 mm, Hole Size 1 mm.