- Premium ceramic grain is extremely hard and self-sharpens during operation. Ceramic grain breaks down with less pressure than Zirconia discs without heat damage.
 - Grinding aid keeps the disc cool while grinding hard materials and aluminum.
 
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 25 | 
                                                                                Size | 
                                                                        N/A 4-1/2" x 7/8" | 
                                                                                Grit | 
                                                                        N/A 80 | 
                                                                                RPM | 
                                                                        N/A 13300 |