These amazing little beads are simply beautiful. The hex cut gives a sparkling facet look to the beads. The hex cuts can be used with regular delicas of the same size. The color exotic color finishes include: iridescent ab (iris rainbow), metallic, lined ab (iris rainbow), shimmering and luster. The holes in delicas are large in proportion to the size of the bead making them easy to work with despite their small size. For a more economical, but not quite as uniform, tubular glass bead 11/0 2 cut Czech glass seed beads are a great alternative.