A key holder for holding a variety of different physical keys and wireless key devices can comprise a container for holding insert components that are selectively removable and addable to the container. The insert components can comprise one or more key blades that are attached to the container such that a portion of each of the one or more key blades angularly rotates out of the container when in use. Additionally, one or more buttons can be integrated into the container. The buttons are configured to lock one or more of the insert components into place. The holder can also comprise a wireless module that is in communication with a processing unit disposed within the key container.
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