| DRIVE SURFACE SIZE | 0.500 INCHES NOMINAL SINGLE END |
| DRIVE END OUTSIDE DIAMETER | 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| FEATURES PROVIDED | MANUAL TOOL |
| OVERALL LENGTH | 3.250 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| SPECIAL MARKINGS | 3/4 IN. |
| WRENCHING SURFACE SHAPE | 6 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.750 INCHES NOMINAL SINGLE END |
| WRENCHING END OPENING DEPTH | 0.562 INCHES NOMINAL |
| WRENCHING END OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| SURFACE TREATMENT | CHROMIUM AND NICKEL OVERALL |