Quality diamond grit made by famous manufacturers in the world ensure the wheels last a long tool life. Stiff Diamond Wheel guarantee your cut or grind work more effectively.The wheels can be used in EWAG, Walter, CNC grinding machines in dry or wet condition. Wet would be better. We suggest to be dry the parts after wet cutting to prevent rust.Grinding and Polishing all kinds of carbide toolsGrinding all kinds of super hard materials