| HEAD ANGLE | 15.0 DEGREES NOMINAL |
| OVERALL LENGTH | 230.0 MILLIMETERS MINIMUM AND 275.0 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 CLASS AND C STYLE |
| SPECIAL FEATURES | CONTINUOUS ARC OPEN END DESIGN |
| SPECIFICATION/STANDARD DATA | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | OFFSET |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| WRENCHING END OFFSET ANGLE | 7.5 DEGREES NOMINAL |
| WRENCHING SURFACE SHAPE | 12 POINT SECOND END INTERNAL |
| WRENCHING SURFACE SHAPE | OVAL FIRST END INTERNAL |
| WRENCHING SURFACE SIZE | 18.0 MILLIMETERS NOMINAL BOTH ENDS |