* Used to grade product on the basis of their length * Used to grade products like carrot, raddish, cucumber, ladies finger & similar other products * A corrugated bed (S.S. 304) is fitted in the machine * Bed is vibrated with the help of two vibro-motors fitted on top of the machine * Bed is divided into three parts and there are gaps between the parts * The gap grades the products according to their length & grading size can be varied easily