Iller-Leiter push-on step for Holzleit 117-390. Manufacturer: Iller-Leiter. Designation: Push-on step for Holzleit. Type: 117-390. Type of accessory/spare part: Working platform. Accessory: Yes. Spare part: No. Material: Aluminium. Max load: 150 kg. Length: 390 mm. Width: 80 mm. This push-on step is designed for subsequent installation in the Iller wooden rung ladder Professional ERGO with a width of 36 mm. It features an 80 mm deep aluminium step, anodised to prevent aluminium abrasion, and is 360 mm long. EAN: 4039665019016.