Rear Underseat Lockbox - 07-19 Silverado/Sierra 1500 19 Old Body Style} / 07-19 2500HD/3500HD w/ Crew Cab 60% Length Black Products Tuffy SecurityThis high security 16 gauge steel security lockbox mounts under the rear 60 percent bench seat in the 2007 to 2018 Chevy Silverado and GMC Sierra Crew Cab pick ups. The three fifths width formfitting design of the Tuffy lockbox has over 2100 cubic inches of lockable storage while leaving room for an aftermarket sub woofer or other gear under the rear passenger side seat. It's secured contents are easily accessed by flipping the 60 percent rear bench