Set of key buttons for a handset
US D582404 S1
The ornamental design for a set of key buttons for a handset, as shown and described.
FIG. 1 is a front view of a set of key buttons for a handset showing my new design in the broken line environment of a handset; and,
FIG. 2 is a perspective front view thereof.
The broken line showing disclaimed regions in the figures is for illustrative purposes only and forms no portion of the claimed design.