Execution: Bock ladder, material: aluminum, height closed (mm): 660, height open (mm): 600, number number (pc.): 3, step size (W x D mm): 300 x 80, height level 1 (mm) : 150, height level 2 (mm): 370, height level 3 (mm): 600, platform size (W x D mm): 330 x 160, max. Load weight (kg): 150, standard: EN131, external mass closed (h x W x D mm): 660 x 400 x 165, outside mass open (H x W x D mm): 600 x 400 x 560, weight (kg): 2.52, guarantee (months): 24