Abstract: A structural support insert to be imbedded in a body of concrete. The insert has a main body including a first axially extending opening formed therethrough from a first end to a second end, and having first and second elongated slots formed therein. The slots extend along axes substantially parallel to the first opening. The first slot defines a second opening between a first outer surface of the main body and a first inner surface of the first opening. The second slot is defined in a second inner surface of the first opening, opposite the first inner surface. A plurality of lugs are connected to opposed second and third outer surfaces of the main body. The first outer surface of the main body is substantially flush with a surface of the concrete body, whereby the first slot defines an opening in the concrete body.