The inside of a semi-automatic slide suffers a lot of wear and tear, but honing this critical part creates a smoother surface, reducing friction and wear. The treated surface features a beautiful shine and will be more corrosion resistant because the treatment actually increases the metal's ability to hold oil and lubricants. 
800 grit, 8" overall length.
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 1 | 
                                                                                Type | 
                                                                        N/A 1911 Main Spring Housing | 
                                                                                Overall Length | 
                                                                        N/A 4" | 
                                                                                Grit | 
                                                                        N/A 400 | 
                                                                                Material | 
                                                                        N/A Silicon Carbide |