9-1/8" X 7/8" ALUMINUM OXIDE GRINDING DISCS

The vulcanized fiber backing holds up way better than the cheap wheels I've burned through before, and the heat-treated grain keeps biting even after heavy use. I've gone through half a dozen of these on my angle grinder and they still cut true without glazing over.

Finally a disc that actually lasts more than a few minutes—I've been using this one on a heavy angle grinder and the fiber backing holds up well. It cuts through steel without loading up.

I burned through three cheap discs on one weld seam, but this one took the whole job and still has bite left. The heat-treated grain really does hold up longer than any 9-inch disc I've used.