Finally getting around to building my forever reloading bench. I'm using two 2 drawer filing cabnets for the bases of the bench. They are 29" high floor to the top. I'll span the two together with a piece of marine grade 3/4" ply wood. What is considered the perfect hight for a bench. I am thinking 30" is a bit too low? Also there is carpet flooring in the room. Pros and cons on this as well. Once it's done I don't want to have to redo it so I open to any and all suggestions.