The item you are viewing is a MCF-MICA Caster Frame by Meyer Sound 600-HP.  The MCF-MICA caster frame allows up to four MICA cabinets or three 600-HP cabinets (with optional MRK-600 rigging kit) to be transported fully rigged.  The listing includes only the frame and casters as seen in the photos provided.  If you have any questions feel free to contact us.