Ladder made of special aluminum alloy 2 stage of use Easy to open and close 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 - 2X9+2X9 Dimensions (cm) - 6X2 1 level Height (cm) - 247 2 Height level (cm) - 409 Width from inside to outside (cm) - 35.5/41 Package dimensions (cm) - 42 / 24 / 252 Weight (kg) +-5% - 21 1 m3 - 0.26 20 containers - 127 40 containers - 258 Truck 90 m3 (unit) - 346 50m3 truck (pc) - 192