Aluminum Material: Engineered to offer high-intensity and corrosion resistance, ensuring that your tools and equipment are well-protected from external elements. The seal ring design prevents water and other external factors from penetrating inside. Lightweight Yet Sturdy: The lightweight design of this truck toolbox means it won't add significant weight to your tractor, trailer, or truck. It's also incredibly sturdy, thanks to the 5 bar pattern that reinforces the aluminum. Ample Storage Space: With an overall size of 29"(L) x 16.5"(W) x 18.5"(H), this trailer tool box provides enough storage space to accommodate various tools and accessories, making it ideal for domestic use, garages, and DIY projects. Versatile Mounting: The perfect tool cabinet for anywhere, you can easily mount this tool box on the hitch rack, cargo rack of your camper, tongue of your enclosed trailer, or even at the rear of your RV for extra storage. Secure: Comes with a lock and 2 keys to keep your tools secure and prevent them from getting lost.