| OVERALL LENGTH | 421.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 CLASS AND B STYLE |
| WRENCHING SURFACE SHAPE | 12 POINT BOTH ENDS INTERNAL |
| WRENCHING SURFACE SIZE | 21.0 MILLIMETERS NOMINAL FIRST END |
| WRENCHING SURFACE SIZE | 22.0 MILLIMETERS NOMINAL SECOND END |
| WRENCHING END OFFSET ANGLE | 0.0 DEGREES NOMINAL |
| SPECIFICATION/STANDARD DATA | 0U583-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | CHROMIUM OVERALL |