DB1910 - 11 - Matte EspressoThese are size 11 Delica Beads. Delica beads are glass beads made by the Miyuki company in Japan. Size 11 is smaller than size 10. They are sold in a 7 gram tube (approximately 1400 beads.) The beads are tube shaped, measuring 1. 6mm x 1. 5mm (size 11). The bead hole size is 0. 8 mm. The diameter of the hole is large enough for multiple passes of thread. They are used often in bead loom weaving, peyote stitch and brick stitch because they line up