DU-HA 70200 Humpstor Truck Bed Storage Unit/Tool Box/Gun Case Mounts above the wheel well in pickup truck beds and provides useful in-bed storage without taking away valuable floor space Fits underneath toppers, tonneaus, and roll up covers Acts as a legal gun case in most states and holds 2 shotguns or 1 rifle with scope Lockable latches help protect belongings from theft Easily installs using brackets (included) that clamp to the lip of the bed rail; brackets can be adjusted up or down to your height preference