The Apollo toolset includes several wrenches, screw and other drivers and handles. The 3 Jackscrews were included and available for use as backup latches in the event that the installed hatch latches became inoperable or the hatch was deformed.
This item was part of the toolset flown in the Command Module during the Apollo 11 mission and NASA transferred it to the Smithsonian in 1970.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.