For the highest quality rack system choose the Middle Atlantic 19" Relay Rack. Constructed with 11-gauge 10-32 threaded steel side channels, this rack can handle up to 400lbs of equipment and cabling. Incorporating a self-squaring, self-leveling design greatly reduces assembly time. Unique gusseted base means no shimming on uneven floors. The optional cantilever support base adds stability when installing deep equipment. Ship these racks directly to your jobsite with no concerns about quality or installation time.