A surgical instrument, comprising: an end effector； and first and second elongate shafts rotatably coupled such that rotation of one of the shafts causes rotation of the other one of the shafts, wherein at least one of the first and second elongate shafts is translatable between a first axial position and a second axial position, wherein rotation of the shafts at the first axial position effects a first operation of the end effector and rotation of the shafts at the second axial position effects a second operation of the end effector.
