Works with MK, R2, RL, RLA and R4 Series 45 space racks RLA-CC Series managers mount on all MK, R2, RL, RLA and R4 Series 45 space open-frame rack systems, while providing abundant cable pass-throughs and cable lacing points. Order 2 (two) - single ducts to make an economical dual channel organizer. The solid hinged front door with a 3-point magnetic latch can be installed to open in either direction Includes solid front door with 3-point magnetic latch Abundant cable pass-throughs and cable lacing points