PurposeSocket for bulkhead fittings in 737 wing laydown positionsUsed WithTorque WrenchWhere Used737 wing bulkhead fittingWrench Size3-3/8Opening Shape6Wrench End TypeSocketWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareDrive Size3/8Head Outer Diameter4.25Overall Length5.25