| 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 0.533-0.543 in | 
| S | N/A 0.810 in | 
| Weight/100 | N/A 1.110 lb | 
| 
                                                                            N/A
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