Reclaim your truck bed while adding secure, accessible storage with the Brute RB164 Lo-Sider Side Rail Toolbox. Designed to mount directly on your truck’s bed rails, this 87-inch toolbox provides ample space for tools and equipment without obstructing your main cargo area. Its durable black powder-coat finish not only adds a sleek, professional look but also provides an extra layer of protection against the elements.
Engineered for strength and reliability, the RB164 is a premier choice from the Brute Toolbox lineup. The one-piece aluminum body and stainless steel T-handle lock ensure your valuable gear is protected from both theft and harsh weather conditions, making it an essential upgrade for any serious truck owner.
- Maximum Storage, Minimum Footprint: The Lo-Sider design sits on the bed rails, preserving valuable floor space in your truck bed for larger items.
- Heavy-Duty Construction: Crafted from a single piece of rugged .063″ diamond tread aluminum for superior strength and corrosion resistance.
- Weatherproof Seal: Features an automotive-grade, closed-cell foam gasket to keep moisture, dust, and grime out and protect your tools.
- Secure Locking System: Equipped with a stainless steel, locking T-handle latch for dependable security.
- Effortless No-Drill Installation: Mounts easily to your truck’s side rails without the need for drilling, ensuring a simple and secure fit.
- Smooth Lid Operation: A powerful gas strut automatically lifts and holds the lid open for convenient, hands-free access.
Whether you’re a contractor on the job site or an adventurer on the trail, the Brute RB164 provides the perfect blend of security, durability, and convenience. Explore our full collection of Topsider Tool Boxes to find the ideal storage solution for your truck.




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