I built this workbench recently. Shortly after this pic, I used some spare pavers and 4×4 inch pieces of plywood to level it better. This is my work area under our house.
I modeled this bench on free plans at Bob Villa’s website. I just made mine a little bigger. I think mine is 4’x6′. That way I can mount tools on top on the far side and still have room for layout and stuff on the near side.
I really liked this work table. Sold it when we moved to florida.