a harness rail and an anti roll bar is mounted on top of each side rail the cable system allows the harness to be extended on an extension ladder application_number US 34811506 A description referring to the figures it can be understood that the present invention is embodied in a stabilized ladder unit 10 which is stabilized in a plurality of planes ladder unit 10 comprises a ladder 12 which can be an extension ladder and includes two side rail units 14 and 16 each side rail unit includes a plurality of sections which slidably fit together a first section 20 is a top section when the ladder is in use as shown in fig1 and a second section 22 is a bottom section when the ladder is in use a longitudinal axis 24 extends between the first section and the second section each section of each side rail has an inner surface 26 an outer surface 28 a longitudinal axis 30 which extends between the direction of longitudinal axis 24 a first side edge 32 which is an upper side edge when the ladder is in use and a second side edge 34 which is a lower side edge when the ladder is in use a plurality of rungs such as rung 40 extend between the two side rail units the rungs are located in a first plane p 1 on each section of the ladder an anti roll unit 50 includes bars 52 and 54 each bar is mounted on the outer surface of a side rail of the first section of the ladder to extend away from the side rail on which it is mounted in a direction.