that dice idea is pretty nifty. I have a couple of friends going to Vegas at the end of the month. I may have to get busy busting a few dice apart to cast in resin and capping them like that.
These dice are harder than tru-stone. They get really hot when drilling. The center die has a little scorch mark showing from under the clip. I found it helped to drill about half way, add a couple drops of water, then drill through.