| STYLE DESIGNATOR | STRAIGHT DOUBLE HEAD |
| OVERALL LENGTH | 6.6 INCHES NOMINAL |
| DRIVE SURFACE SIZE | 0.21875 INCHES NOMINAL FIRST END |
| 0.25000 INCHES NOMINAL SECOND END |
| 0.31250 INCHES NOMINAL THIRD END |
| 0.34375 INCHES NOMINAL FOURTH END |
| 0.37500 INCHES NOMINAL FIFTH END |
| DRIVE END SHAPE | HEXAGON BOTH ENDS INTERNAL |
| TORQUE CAPACITY | 250.0 INCH-POUNDS MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 5-HEX PROFILE DOUBLE-ENDED STEP-SOCKET ROLLER RATCHET |