Included in delivery: 2 x aluminum steps for 3rd and 4th rung (item no. 05105668, ID no. 056314) consisting of: - 4 retrofit steps, - 4 Stop stickers (for the two top steps), - 8 mounting screws, - operating instructions. The stepladders offer the highest level of safety in use thanks to the non-slip ribbing of the rungs. Rung spacing: 267 mm. Stile (H x W): 59 x 22 mm. Rung (H x D): 50 x 20 mm. Comply with the standard DIN EN 131 Comply with the regulation TRBS 2121 - Part 2 Offers a safe stand on 80 mm deep aluminum steps with slide-stop ribbing The safety distance between the ladder stiles is 25 mm and thus prevents finger injuries when the two ladder sections are folded together.