3 Step diamond-polishing system for working on all types of ceramic without heat generation. A new binding component as well as the natural diamonds allow for optimum polishing results, achieved without any polishing paste. Instructions for Use: Apply only light pressure when polishing. In order to achieve optimal polishing results, it is important to use the three polishers in the sequence as mentioned. Step 2 = Blue: medium grit for smoothing the surfaces and preparation for final polishing.