| OVERALL LENGTH | 7.750 INCHES MINIMUM AND 10.250 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 CLASS AND B STYLE |
| SPECIFICATION/STANDARD DATA | 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WRENCHING SURFACE SHAPE | 12 POINT BOTH ENDS INTERNAL |
| WRENCHING SURFACE SIZE | 0.438 INCHES NOMINAL FIRST END |
| WRENCHING SURFACE SIZE | 0.500 INCHES NOMINAL SECOND END |
| WRENCHING END OFFSET ANGLE | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM |
| STYLE DESIGNATOR | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| SURFACE TREATMENT | CHROMIUM OVERALL |