BackRack 07-18 Sierra LD/HD / 04-23 F150 / 08-23 Tundra Original Rack Frame Only Requires HardwareBack Rack Cab Guard by BackRack(TM). BackRack's cab guard protectors mount to existing stake pockets at the front of your bed to protect your cab from damage caused by large, heavy cargo that may shift forward. For cargo such as small pipework, the "Safety Rack" comes with a welded criss cross center grid to give you the most complete protection. Reinforced steel construction ensures high strength and rigidity, and a protective layer of black powder