PurposeTo install and remove fuel talk bulkhead coupling -1 REF DWG 63221-48. Also used for FWD spindle drag strut main landing gear -2 ref DWG 161T6021-1, bolt retract main landing gear -3 ref DWG 161T5000-1Wrench End TypeFace TeethWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareInner Tooth to Tooth Distance4.310Number of Contact Points2Spanner ShapeSocketOverall Length1.75Used WithTorque wrenchDrive Size1/2Tooth Protrusion1.250Tooth Width2.000 