The Apollo toolset provides multipurpose tools and/or attachments for mechanical actuations and valve adjustments. This component is labeled Tool 4 - Torque Set Drivers. The torque set drivers are 1. 6 inches long. The number 4 indicates the number 10 torque set tip. It is used to remove number 10 torque set screws as a backup for tool R, the 5-inch torque set driver.
This set was used 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.