- A: Aluminum Oxide – Metal & Steel
                    Unit of Measure
                    
               
        
            | Units Per Package | N/A 50 | 
| Size | N/A 4" x 1/16" | 
| Arbor Hole | N/A 3/8" | 
| Type | N/A A36-R-BF | 
| RPM | N/A 22000 | 
