These wheel dressers are used to deglaze the wheel (unclogging the wheel when embedded with metal particles) so that it cuts properly. They are also used to true up the cutting face when it is out of shape
A. Single Point 6 x ½” 50 Carat Diamond Dresser - An industrial diamond embedded in a round steel bar for the rapid dressing, reshaping or deglazing of all types of grindstone.
B. Star Wheel Dresser – For cleaning and dressing a worn or glazed wheel