| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| WRENCHING END OPENING DEPTH | 0.359 INCHES MINIMUM |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND DS2 SIZE AND 1 CLASS AND WS14 SIZE |
| OVERALL LENGTH | 0.985 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| WRENCHING SURFACE SIZE | 0.438 INCHES NOMINAL SINGLE END |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| DRIVE END OUTSIDE DIAMETER | 0.697 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.625 INCHES MAXIMUM |