Strong Load-Bearing: Constructed from 0.12-0.19 in / 3.1 mm-4.8 mm metal panels with a diamond tread to enhance strength, the step platform can support up to 220 lbs / 100 kg. The truck tool box handles heavy load of tools, providing stable storage solution Dual Sealed Protection: Featuring seamless welding combined with built-in rubber sealing strips, this truck toolbox provides dual-layer protection. Even in rainy or humid conditions, your tools stay dry and clean, helping avoid corrosion and extend lifespan Large Capacity Storage: Our truck bed box provides 3.82 cu ft of storage capacity and can hold up to 33 lbs / 15 kg per item. From tools and equipment to other essentials, everything can be neatly organized, meeting diverse storage needs Secure & Anti-Theft Design: Equipped with a reliable latch that stays firmly closed, avoiding items from spilling during transport. It also supports optional padlocks for added security, giving you peace of mind that your tools and belongings are protected Versatile Applications: This truck toolbox can be installed on pickup trucks, RVs, trailers, and more. Whether for daily transport, outdoor adventures, or on-site work, it fits multiple scenarios and keeps your tools organized wherever you need them