| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| STYLE DESIGNATOR | BOX END |
| OVERALL LENGTH | 1.600 INCHES MINIMUM AND |
| 2.400 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.750 INCHES MAXIMUM |
| DRIVE END OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| WRENCHING END HEAD THICKNESS | 0.359 INCHES MAXIMUM |
| DRIVE END HEAD THICKNESS | 0.437 INCHES NOMINAL |
| WRENCHING SURFACE SIZE | 0.500 INCHES NOMINAL FIRST END |
| WRENCHING SURFACE SHAPE | 12 POINT FIRST END INTERNAL |
| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SECOND END |
| DRIVE END SHAPE | SQUARE SECOND END INTERNAL |
| SPECIAL FEATURES | ABHP REPRESENTS CENTER TO CENTER |
| SPECIFICATION/STANDARD DATA | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE |