Miyuki Delica Seed Beads are precision made, cylinder shaped beads and are of the highest quality on the market today. Approximately 550-600 beads per 3g. Bead Measurement: Length 1.3mm, Diameter 1.7mm, Hole 0.86mm. We also stock Miyuki Delica 10/0 (2mm), Miyuki Delica 8/0 (3mm)