Tuffy Underseat Lockbox W/ Combo Lock For Chevrolet Silverado & Gmc Sierra Crew & Double CabThe Tuffy lockbox mounts under the rear seat in Chevy and GMC Crew Cab and Double Cab pickup trucks. This high security welded steel security lockbox has a full width formfitting design creating over 3500 cubic inches of lockable storage. Easily access your secured contents by flipping up the corresponding lid under your 60 40 split bench seat. The unique design allows the full width to be used to stow firearms or other long items. Feel confident