Weld-On Steel Step steel, ReversibleWeld On Cast Steel Step, Reversible This step is just right for help in stepping up into a trailer, truck, or where ever you might need it. Cast in one piece, for strength. It is reversible, so that makes a 1 1 2" difference in height, depending on which way you mount it. Molded in treads on both sides for safety. The inside edges at the back are 6 5 8 inches apart, with each weld on area at 1 1 2" tall X 1 2" wide. 7 3 4" wide X 4 1 8" deep X 1 1 2