10/0 Delica Beads (DBM) are a medium size Japanese cylinder bead. They are exactly the same as regular 11/0 Delica Beads, just a little larger. 10/0 Delica Beads come smooth (DBM) or 6-sided Hex Cut (DBMC) with a 1mm hole. They measure 1.6mm x 1.5mm. There are pprocimately 110 beads per gram.