Miyuki Delica 8/0 seed beads is the largest size within the 4 sizes of Japanese cylinder beads. Like the other sizes of Miyuki Delica Beads DBLs are ideal for beadweaving, but also can be threaded on a thin leather or cord because of their generous hole size. There are 30 beads per gram and about 9 beads per inch.
 
Cylinder Shaped Glass Beads
Size 8/0 = 2.5mm  by 2.5 with a 1.5 hole size
Color: Black DBL-0010
Sold in package or tubes of 6.8 grams