Your going to be hard pressed to find a better deal than this on a sintered wheel. This Abrasive Technology sintered radiused diamond wheel has a full 1/4 inch of diamond on the wheel. Why are we selling it for such a great price? It's a weird incorrect grit. It works out to about a 220 grit diamond, but the actual micron is 64 micron. It was a mistake that turns out to be a great deal for you.
If you're in the market for a fantastic sintered radiused wheel at a fantastic price, you don't have to look any further.