Made of virgin polypropylene (PP).Heavy-duty for use in extreme conditions.Low and high temperatures resistance: -20Cº/ +50Cº.2 in 1 rolling mobile workshop.Wheels: 135x37 mm made of polypropylene plastic with a single galvanized axel.Top tool box includes: External box dividers and internal tray.Bottom box can be used like a large storage bin.Padlockable: the upper box section can be padlock by using the holes included within the center of the box.Telescopic handle in grey color to be used when driving the box on wheels.Metallic latches and galvanized key components.This tower box is not intend to be used as a step.External wheel of EVA material for smooth, silent rolling