Engineered with a white aluminum oxide abrasive and a highly versatile vitrified bond, 38A AO dressing sticks deliver cool, efficient results when used in toolroom and dressing applications. Pair them with your manual sharpeners to true and dress a variety of materials, including soft-carbon steels, tool steels and alloys. These sticks are perfect for dressing and cleaning resin and vitrified cBN wheels and work great on diamond wheels as well. Use them with confidence to open, clean and reshape grinding wheels to extend their lifespans and maximize their performance.