a key case includes a housing within which there is a plurality of rotationally mounted key holders . each key holder is connected to an individual key . a plurality of buttons is mounted on the housing . pressing on a selected button enables a desired key to swing out of the housing and move into an outwardly projecting position wherein it can be used to unlock a lock . in an alternative embodiment of the invention a selector assembly which is slideably mounted on the housing supports an operating button which facilitates pressing the desired button to select a key .