- #4 Cobalt Blue Steel 12" Aircraft Extension Drill+ 135° Split Point+ NAS 907 - Type J
| Drill Style | NAS 907 - Type J |
| Shank Type | Straight |
| Material | Cobalt Blue Steel |
| Point Angle | 135 ° |
| Drill Length Type | Aircraft Extension, 12" |
| Size Type | Wire |
| Drill Size | #4 |
| Weight | 0.04 LB |

