Abstract: An assembly for supporting a cantilever bracket and an assembly for supporting an object are provided. The assemblies include a mounting structure having a first surface and an opposite surface and defining an opening therebetween. A relief is defined at a distance from the first surface and surrounding a portion of the opening. An engagement member has a body that is engageable within the opening, a retaining flange projecting from the first end of the body and shaped to be received within the relief, and a retaining member disposed on the opposite end and having a bearing surface. A cantilever support member projects from the retaining member.