GMC & Chevrolet Bedside Rail System Integral Rails + Panel Bundle: 2 Integral Rails, 2 Integral Panels, 2 Slide-N-Lock Cleats, and everything needed to install. Integral Rails: This is the first step to optimizing your truck bed. Add this rail within minutes and unlock the endless accessory options that can be added to it. Two Pack: Comes with two Integral Half Panels; compatible with compact Milwaukee Tool Packout Organizers only. Passenger and drivers side locks are included. Explore other accessory options such as Integral Panels and Track Nuts to add whatever you can think of. Slide-N-Lock: The cleat system locks and unlocks with the twist of a handle. Unlock, slide to your desired position, and lock it in place. You can change cleat positions within seconds. More Accessories Coming: The Integral Rail systems will have many new accessories coming soon. Including quick clamps, strap mounts, bike mounts, and many more options. Bolts directly to the factory, bedside mount holes on 2020+ Chevrolet Silverado and GMC Sierra HD (2500/3500). Standard bed only; not compatible with long beds. Features - Integral Rails .2" thick extruded aluminum rail. Powder-coated black. Toggle Bolt System for easy installation. 1 cleat included with each rail Slide and lock system to easily change cleat positions. Rust-resistant, coated stainless hardware. Additional accessories available. Features - Integral Panels Locking system with two keys included. Passenger and drivers side locks included in the kit. 11 gauge laser cut steel. Two layers of powder coat. Rust-resistant, coated stainless hardware. Includes track nuts and all hardware to install. Fitment Bolts directly to the factory, bedside mount holes on 2020+ Chevrolet Silverado & GMC Sierra HD. Standard bed only; not compatible with long beds. Not compatible with Carbon Pro beds. Please review the model and bed length options. The panels fit compact Packout organizers only. Tonneau covers do not affect the fitment. Does not work with plastic bed inserts without trimming. Spray-in bed liners are okay. Everything needed to install is included, including instructions for both rails and panels. Patent Pending Design and specific feature patents pending.