Series | 
                                                                        N/A 4002 | 
                                                                                Head Style | 
                                                                        N/A Tamper Proof | 
                                                                                Stud Material | 
                                                                        N/A Alloy Steel per QQ-S-624 | 
                                                                                Spring Cup Material | 
                                                                        N/A Carbon Steel per QQ-S-777 | 
                                                                                Spring & Cross Pin Material | 
                                                                        N/A Music Wire per QQ-W-470 | 
                                                                                Finish | 
                                                                        N/A Cadmium Plate per QQ-P-416, Class 2 (Clear Chromate) | 
                                                                                L | 
                                                                        N/A 0.653-0.663 in | 
                                                                                S | 
                                                                        N/A 0.930 in | 
                                                                                Weight/100 | 
                                                                        N/A 1.370 lb | 
| 
                                                                         
                                                                            N/A
                                                                              |