I was at first but then started using the one really long clamp which reaches almost to the other side of the 2x12 and holds it down really well.

Quote Originally Posted by whitewalrus View Post
I have mounted some of the more least used items onto 2x12's and use the same method. Never tried a metallic press that way....do you have issues when you are sizing larger rifle cases? The mec shotshell presses do well, but you do not need the empty space underneath for them.