- Aluminum Oxide for metal working and grinding down rough castings. Excellent on materials such as Cold rolled, Stainless steel, Bronze, Aluminum, Iron.
 
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 25 | 
                                                                                Size | 
                                                                        N/A 4-1/2" x 7/8" | 
                                                                                Grit | 
                                                                        N/A 24 | 
                                                                                RPM | 
                                                                        N/A 13300 |