Moog Rack Mount Kit for Moogerfooger Effects: standard 19″ Default rack fits three pedals, also suitable for the CP-251 Control Processor. The kit is 6 units high, and can hold up to 3 moogerfooger units or up to 4 CP-251 size units. Comes with instructions for assembly and all the hardware necessary for installation. Moogerfoogers sold separately.