THE SINGLE ARM NARROW MESH RETAINER WITH NARROW BACKING PLATE CONSISTS OF ONE SINGLE ARM NARROW MESH RETAINER AND ONE NARROW BACKING PLATE. THE HARDWARE TO ATTACH THE BACKING PLATE TO THE RETAINER SHOULD BE SELECTED BASED ON THE WIRE MESH PANEL TYPE AND THICKNESS. THE SUGGESTED HARDWARE TO MOUNT THE RETAINER TO THE T-SLOT CAN BE FOUND ON THE "SUGGESTED HARDWARE" TAB.