Mechanics/Maintenance Rolling Ladders• Double-straddle base puts worker in close proximity for hard-to-reach jobs • Tilt and roll wheelbarrow style mobility allows easy movement over rough surfaces • Oversize 22" x 24" top step for easier worker movement • Removable 10" D x 24" W tool tray fits on front or side railing included • Capacity: 300 lbs.• Available in 3 to 6 step versionsNo. of    Step       Rise        Step     Step        Top     Dimensions      Wt. Steps    W" x D"   Height"   Height" W" x D"   Rail"    W" x D" x H"    lbs.   3           22 x 8      9            28        22 x 24    30       25 x 44 x 57    85   4           22 x 8      9            38        22 x 24    30       25 x 50 x 68    98   5           22 x 8      9            47        22 x 24    30       25 x 56 x 77    115   6           22 x 8      9            57        22 x 24    30       25 x 62 x 86    125