Size 11/0 Miyuki Delica seed beads are the most popular size cylinder beads and are preferred for delicate bead weaving projects, as well as designs that combine them with other seed beads. They are precision cut and have a large hole size for multiple thread passes. Size 11 Delica Beads measure 1.6mm (diameter) x 1.5mm with a hole size of 0.8mm. There are approximately 200 beads per gram and about 20 beads per inch.