PurposeUsed to secure or loosen shaft assembly nuts on fixed T.E. spoilers. No 1 thru 5. 777 major wingWrench End TypeOpen Side PinWrench Body TypeStraightWrench VariationStandardDrive TypeHandlePin Diameter3/8Pin Protrusion Length1.00Number of Contact Points1Spanner ShapeHookOverall Length13.90Where Used777 major wingHead Thickness0.75Inner Diameter5.20Head Outer Diameter7.80 