| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| OVERALL LENGTH | 2.125 INCHES NOMINAL |
| WRENCHING END OUTSIDE DIAMETER | 1.875 INCHES NOMINAL |
| DRIVE END OUTSIDE DIAMETER | 1.625 INCHES NOMINAL |
| WRENCHING END OPENING DEPTH | 0.75 INCHES NOMINAL |
| WRENCHING SURFACE SIZE | 1.1875 INCHES NOMINAL SINGLE END |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| SPECIAL FEATURES | APPLICATIONS INCLUDE REPAIR OF HEAVY DUTY TRUCKS AND OFF-ROAD EQUIPMENT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET |