These are great little raw brass beads! The organic looking facets give a handmade look and feel. They'd be a great addition to any studio!The hole is large considering the small size of the bead, approx.1.10mm (they easily fit onto an 18g. wire and it looks like they may fit on 17g. wire, which is approx. 1.15mm). The sizes range from 2 x 2 mm to 2.5 x 2.5 mm.You will receive approx. 200 beads.