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Lo-Side / Rail Mount

Lo-Side / Rail Mount

94 products

Low-profile. High-access. Built for the toughest jobs.
Rail mount (also called lo-side) truck tool boxes are designed to sit securely along the bed rails, offering sleek, side-access storage that doesn’t block rear visibility or interfere with ladder racks and tonneau covers. Whether you're a contractor, fleet manager, or weekend warrior, these boxes deliver quick access, weatherproof protection, and rugged durability.

 Why Choose Rail Mount / Lo-Side Tool Boxes?

  • Low-Profile Mounting – Sits below the bed rail for a clean look and unobstructed rear view
  • Side-Opening Convenience – Gas struts and ergonomic handles for smooth, one-handed access
  • Weatherproof Seals – Full perimeter seals and reinforced lids keep tools dry and secure
  • Rack & Cover Compatibility – Works seamlessly with ladder racks, tonneau covers, and service bodies
  • Heavy-Duty Security – Tamper-resistant latches and reinforced locking systems for peace of mind


Featured Brands: WeatherGuard, BRUTE & Highway Products

 WeatherGuard Lo-Side Boxes

  • Extreme Protection® locks for maximum theft resistance
  • Gas-assisted lids and reinforced aluminum or steel construction
  • Armored T-handles and powder-coated finishes in black, white, or clear aluminum
  • Ideal for contractors and fleet vehicles needing reliable, low-profile storage

 BRUTE Rail Mount Boxes

  • 0.100" thick diamond tread aluminum for unmatched strength
  • Stainless steel paddle latches with automotive-grade locks
  • Rain gutter design and full weather stripping for superior sealing
  • Custom-fit options for flatbeds, pickups, and service bodies

 Highway Products Rail Mount Boxes

  • Military-grade aluminum with TIG-welded seams for extreme durability
  • Lifetime warranty and precision engineering for long-term reliability
  • Gas struts and stainless steel T-handles for smooth operation and secure locking
  • Custom powder coat finishes and optional accessories like LED lighting and internal trays
  • Designed for pros who demand premium performance and style

Whether you're outfitting a single truck or an entire fleet, these rail mount boxes offer the perfect balance of accessibility, protection, and professional-grade performance.

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Products: 1–20 of 94
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