These brass beads have large holes and are ideal for using in making Native American jewelry. The 1/4" beads are ideal for bracelets and chokers, and the 5/16" beads are great for breastplates.The hole on the 1/4" bead is about 3/16" and the hole on the 5/16" bead is almost 4/16" or 1/4". There are approximately 1,000 beads per bag for R-279-1/4 and R-279-5/16.The R-326's are sold by the kilo, each kilo containing 592 beads on average, and have 2/16" or 1/8" holes. They were 8mm when measured...