- A: Aluminum Oxide Grain – Economical choice for metal, steel and general applications.
 
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 50 | 
                                                                                Size | 
                                                                        N/A 3" x 1/32" | 
                                                                                Arbor Hole | 
                                                                        N/A 1/4" | 
                                                                                Type | 
                                                                        N/A A60-R-BF | 
                                                                                RPM | 
                                                                        N/A 23900 |