I ordered a 72" non-combustible mantel by Design Specialties. When it did not ship I was told that it broke and I was asked if I would take the mantel with straps. After it arrived, I saw that it came with corbels and there were 4 holes in the bottom of the mantel to connect the corbels. The corbels will not work for me, but I was told that they were 'optional'. I said they were only 'optional' if you did not mind having 4 holes in the bottom of the mantel. I asked for an RMA to return the...