DRF581 J-33144. Genuine HMMWV Geared Hub Spindle Socket Locknut Wrench Tool. This a Genuine HMMWV Geared Hub Locknut Socket Wrench Tool. NSN 4910-01-179-5530. Part # DRF 581.5" drive, with id of about 2.07".

Country/Region of Manufacture: United States
Manufacturer Part Number: DRF581
Brand: Draf