| DRIVE SURFACE SIZE | 0.250 INCHES NOMINAL SINGLE END |
| DRIVE END HEAD THICKNESS | 0.440 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| DRIVE END OUTSIDE DIAMETER | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| OVERALL LENGTH | 3.940 INCHES MINIMUM AND 4.060 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OVERALL |
| SPECIAL FEATURES | TEST LOAD 48 IN-LB MIN |
| WRENCHING END HEAD THICKNESS | 0.325 INCHES MINIMUM AND 0.355 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.344 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.218 INCHES NOMINAL SINGLE END |
| STYLE DESIGNATOR | SOCKET STRAIGHT |