Available with a 1/4" or 3/8" diameter shaft for chucking directly into a drill motor. 1/4" shaft is recommend for brush diameters up to 4" and the 3/8" shaft is recommended for brushes up to 5" diameter maximum.
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 1 | 
                                                                                Shank Arbor | 
                                                                        N/A 1/2" | 
                                                                                Shank Diameter | 
                                                                        N/A 3/8" | 
                                                                                Brush Diameter | 
                                                                        N/A 5" | 
                                                                                Max RPM | 
                                                                        N/A 10000 |