Product description: External dimensions (length × width × height): 332㎝ × 80㎝ × (134～166)cm, mainly adopting high-quality steel, melamine board, etc. Height of ladder surface: 10cm, 11cm, 12cm Handrail adjustable distance: 31cm Lateral rated load of handrail bar: 750N Rated load of ladder tread: 2000N Product usage: It is suitable for restoring the functional training of going up and down stairs in daily life. Features and functions: The height of handrail is adjustable, suitable for people of different heights to train. With corrective lenses, it can be used for gait correction training Translated with DeepL.com (free version)