Gator Cases 12U Adjustable Top, 10U Bottom Console Audio Mixer Rack Case (GRC-12X10 PU) Mobile audio 19" console rack with pop-up top-loaded rack High-density polyethylene construction Top rack uses a pop-up ratchet system for transporting flat then elevating to various angles Threaded rack rail 4" heavy-duty industrial caster, 2 of which are locking