Kaba Simplex 710226D Mechanical Pushbutton Auxiliary Lock with Thumbturn

Mechanical push-button auxiliary lock provides access control by exterior combination while allowing free egress at all times by interior thumbturn. Eliminates problems and costs associated with issuing controlling and collecting keys and cards. No batteries wires or computer required. Single access codeone easy-to-manage code for all users. Vandal resistant solid metal pushbuttons.