Material: aluminum
Extension length: 473 cm
A step ladder height: 233.5 cm
Scaffold height: 127 cm
Number of rungs: 4x4 steps
Total steps: 16 steps
Space between two rungs:29cm
Thickness of Aluminum: 1.2mm
Max load: 150kgs
N.W/G.W.: 14/14.5 kgs
Carton size: 128x28x38cm
20" FL/40" FL/40" HQ : 220pcs/420pcs/570pcs