| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| DRIVE SURFACE SIZE | 0.250 INCHES NOMINAL SINGLE END |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND DS1 SIZE AND 1 CLASS AND WS10 SIZE |
| WRENCHING END OPENING DEPTH | 0.265 INCHES MINIMUM |
| OVERALL LENGTH | 0.860 INCHES MINIMUM |
| DRIVE END OUTSIDE DIAMETER | 0.468 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.468 INCHES MAXIMUM |
| WRENCHING SURFACE SIZE | 0.312 INCHES NOMINAL SINGLE END |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |