Hoffman CMC24, Mtg Channels, Qty 2, Fits 24.00, Steel/ZincMounting Channels provide mounting framework for installing DIN rails and grid straps at various positions within the enclosure. Channels can be mounted vertically or horizontally to collar studs or to the slide mechanisms of the adjustable-depth mounting kit. Kit includes two channels. . Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERCMC24 CONSTRUCTIONSteel DESCRIPTIONMounting Channels QTY. PER KIT2 COLORZinc FITS24 FITS CONCEPT ENCLOSUREWhen A or B = 24.00 in. (610 mm)