- Silicon carbide or aluminum oxide grain with a foam backing to provide conformability for hand finishing.
 
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 50 | 
                                                                                Size | 
                                                                        N/A 3-7/8" x 4-3/4" x 1/2" | 
                                                                                Grit | 
                                                                        N/A 220 |