PurposeSocket for bulkhead fittings in 737 wing laydown positionsUsed WithTorque WrenchWhere Used737 wing bulkhead fittingWrench Size3-3/4Opening Shape6Wrench End TypeSocketWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareDrive Size1/2Head Outer Diameter4.75Overall Length5.25