Rear Underseat Lockbox - 07-19 Silverado/Sierra 1500 19 Old Body Style} / 07-19 2500HD/3500HD w/ Crew Cab Full Length Black Products Tuffy SecurityThis high security 16 gauge steel security lockbox mounts under the rear seat in a GM Crew Cab Truck. The full width formfitting design of the Tuffy lockbox has over 3500 cubic inches of lockable storage. It's secured contents are easily accessed by flipping either or both of the rear seats up and opening the corresponding lids. The unique design allows the full width to be used to stow firearms or other long items. Featuring Tuffy's Pry Guard Locking