Burnes of Boston LL2722 Level Line 17x17 Linear Black Shadow Box 17x17 Black Linear gallery style Level Line shadow box with white flex mat. Includes unique mounting bracket with built in level for easy one person installation Install using only a hammer (other hardware included) - average mounting time per item is only 2 minutes! Mounts perfectly level and flush against the wall and has easy side to side adjustment for exact placement Can also be displayed as framed art