Westin EXP Truck Cap Storage Box Driver Side Powder Coated Black Model 16-11025 LTL and the thick metal bracket

and the thick metal bracket uses square mounting holes to accept carriage bolts

Truxedo TruXport Tonneau Cover - Black - 1999-2006 (2007 Classic) Chevy Silverado/GMC Sierra 1500 8' Bed Model 281601

Polished Stainless Steel Finish with Limited Lifetime Warranty

2 Stage Powder Coat Finish for Durability

Westin EXP Truck Cap Storage Box Driver Side Powder Coated Black Model 16-11025 LTL and the thick metal bracketWestin EXP Truck Cap Storage Box Driver Side Powder Coated Black Model 16 11025 This unique truck cap accessory installs only on Westin EXP Truck Caps. This EXP Truck Cap Toolbox Shell can be used to carry many accessories. To add a shelf to the EXP Truck Cap Toolbox Shell, part number 16 10014 is offered and is sold separately. Allows convenient access to tools, supplies, and recreational gear Two T slot accessory mounting tracks Bolt in design