A leveling system for panels or drawers within a cabinet comprising a rail; a front section having an intermediate opening, at least one opening and at least a first adjustment mechanism; wherein said rail supports said front section, and wherein said front section, supports at the same time, an inner wall by means of fastening means housed in said front section opening; a second adjustment mechanism disposed over said inner body housed in said front section intermediate opening; an adjusting means; and wherein said first adjustment means and said second adjustment means are linked by means of the adjusting means.