Hook-in step, for rung ladders, LxW 255 x 300 mm. Supplied = assembled. Length = 255 mm. Width = 300 mm. Product type = accessories for ladders. Hook-in step for rung dimensions 30 x 30 mm. For ladders with an internal width of at least 290 mm. For rung spacing 280 mm. Step width 300 mm. Step depth 255 mm. Permissible load 150 kg (1.5 kN)