Maximize your truck bed’s storage capacity without sacrificing visibility with the Brute RB184 Lo-Sider Side Rail Box. This commercial-grade tool box is engineered for professionals who demand durability, security, and easy access to their gear. Constructed from heavy-duty .063″ aluminum diamond tread plate and finished with a rugged textured black powder coat, the RB184 is built to withstand the harshest job site conditions while protecting your valuable tools from the elements.
Installation is a breeze thanks to the innovative no-drill “J” hook mounting system, which secures the box firmly to your truck’s side rails. Inside, an adjustable tray helps you organize smaller items, while the reinforced beveled lid and shielded rotary latch provide superior security against theft and weather. When you need reliable, low-profile storage, trust a genuine Brute Toolbox to get the job done.
- Commercial-Grade Durability: Made from thick .063″ aluminum diamond tread for maximum strength and corrosion resistance.
- Reinforced Beveled Lid: Provides exceptional rigidity to prevent bending or warping, ensuring a tight, secure seal every time.
- Secure Locking System: Features a high-quality rotary latch protected by a metal shield to deter theft and ensure reliable performance.
- No-Drill Installation: Mounts securely to your truck’s side rails using heavy-duty “J” hooks, eliminating the need to drill into your vehicle.
- Complete Weather Protection: An automotive-grade weather seal lines the lid, locking out moisture, dust, and dirt.
- Durable Powder Coat Finish: A tough, textured black powder coat finish resists scratches, chips, and fading.
- Organized Storage: Comes standard with an adjustable steel tray to keep smaller tools and parts organized.
Explore our full collection of truck bed storage solutions, including more Topsider Tool Boxes, to find the perfect fit for your vehicle.




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