$25 shipped. 3/4 of the stone surface is untouched, so it might have seen 2-3 engines at most. Ebay versions wanted a bit more with shipping, and H-F is far enough away that this made a better deal.
Deglazing can be done with the dingleberry style, but I don't trust them. You're limited to size, and there's another reason I forgot. It's the one a whole family of engine rebuilders told me, not some internet racer. Just use cheap engine oil as a lube for slower cutting and watch your depth - both in & out. If you go balls deep, you risk ruining the stones. If it pops out, you're slightly enlarging the bore's end taper for the rings. I plan on putting this on a drill press to give it a stop limiter.
I'd definately recommend watching it done first, then trying it on a spare block. If you're really good, you can even taper your cylinders and do a plateau hone that Hondas like. Moly and low-tension rings seat better & faster when you do a final few passes with 320 or 400 grit.