The Gator G-Tour Cast Rack Road Case features 3.2 mm thick front and rear rack rails, 17" rackable depth with lid removed, tough 9mm plywood construction with PVC exterior, recessed latches and handles, heavy-duty zinc plated hardware, reinforced stackable ball corners, spring loaded handles and four fixed, heavy-duty 4" casters (two that lock). This case also features a heavy-duty aluminum valance that is twice the thickness of standard cases.