ProX XS-2X12USLAM24 Rack to Rack Shock Mount Case for Mixers with Caster WheelsThe ProX XS 2X12USLAM24 case combines functionality with convenience, featuring 2x 12U side by side with 4 sliding doors for easy access and 6x4" caster wheels for effortless mobility. With various improvements from previous models and other brands, our new slam door cases all come equipped with 4 shockproof mounts on each of both racks. There is also an extra 4" space from the rack to the door on both racks. That way you can freely mount larger sized