If your deluxe box still doesn’t provide enough storage, then you can add rails to the top to carry even more. Box rails are now a bolt on kit for added versatility and reduced risk for shipping damage.

Note: FREE SHIPPING for lower 48 US states.

Key Features: Aluminess Bolt On Rails for Deluxe Box

• 24" wide, 3" rails
• Powder-coated black
• Made from strong and light 5052 aluminum alloy
• Requires Aluminess Deluxe Box for mounting
  
• Product Dimensions: 24″W X 16″D

Documents: Aluminess Bolt On Rails for Deluxe Box

Bolt On Rails for Deluxe Box Installation Manual