A device for hanging an object on a vertical structure, such as a framed picture or painting on a wall. The device comprises a body having a planar portion that lies in a plane defining a first direction and a second direction transverse to the first direction. A plurality of openings are present in the planar portion, and the openings are arranged in a two-dimensional pattern so that each opening is offset in the first and second directions from at least a second of the openings. The device further includes a feature for securing the body to the object.