4 useable features of the 4-in-1 CBN Wheel:
1.25 inch wheel face for normal sharpening1/4-inch radius on each side for sharpening hollow tool bits and scrapersBoth 1-inch side faces are CBN material for non-hollow grinding of skews and scrapers9mm–90° gap space on inside edge for relief cuts or tapers on hook type scrapers or box scrapers.
