Abstract: A merchandising system that is adaptable for displaying merchandise on a plurality of wall configurations including, but not limited to, varying pegboard and slatted wall configurations. The system includes one or more display modules that accept hooks for mounting displayed merchandise and one or more optional interlocking non-apertured display headers for displaying information about the mounted merchandise. The display modules and/or display headers define interlocking male and female members to connect adjacent display modules and headers. To mount the system to an adjacent wall, the system employs at least one universal mounting bracket adapted to insertedly mount between any two slats of a slatted wall, any aperture of a perforated wall, or any combination thereof.