Using the DeWalt DW8904COMBO is a breeze. First, make sure your grinder is compatible with the wheel's size and type. If your grinder needs a mini - hub, choose the appropriate wheel. When you're ready to work, put on safety goggles and gloves. For cutting, just place the wheel on the steel material and let the fast - cutting action do its job. When grinding or notching, apply light pressure for the best results. Remember, this wheel is designed for steel, including stainless steel, so don't use it on other materials. After each use, clean the wheel gently to keep it in good shape. Also, check the wheel for any signs of damage regularly. If it's cracked or worn out, replace it right away to stay safe and get the best performance from your tool.