Ladder made of special aluminum alloy 3 stages of use Easy to open and close Use one piece One neat package that is ready to use Specially designed steps to prevent slipping Industrial use Extreme strength, long lasting stainless steel Double-sided inflation at the dimensional attachment point to ensure maximum strength and stability of the steps Number of steps - 3X15 Dimensions (cm) - 8X2 1 stage height (cm) - 409 2 stage height (cm) - 733 Width from inside to outside (cm) - 35.5 / 41 / 46.5 Package dimensions (cm) - 47 / 18.5 / 414 Weight (kg) +-5% - 29.5 1 m3 - 0.41 20 container - 80 40 containers - 163 Truck 90 m3 (pcs) - 220 50m3 truck (pc) - 122