The Apollo toolset provides multipurpose tools and/or attachments for mechanical actuations and valve adjustments. This component is labeled: Tool W - Midget Ratchet Wrench. The midget ratchet wrench function is to drive attachment tools 1, 2, 3, and 4 included as part of the tool kit.This set was used during the Apollo 11 mission and NASA transferred it to the Smithsonian in 1970.