Hoffman PRA1920THL1 Rack Angles, Coloc, THole, 42 Unit, Full Ht, Steel/zincAvailable colocation cabinet internal components customize the enclosure. Product Specifications BRANDHoffman® COLOR FINISHZinc LENGTH INCHES74.47 MANUFACTURERS PART NUMBERPRA1920THL1 CONSTRUCTIONSteel DESCRIPTION19-In. & 23-In. Rack Angles DOOR STYLEFULL HOLESSquare FITS-- USE WITHPROLINE¢ DataCOm Packages RACK UNITS42 LENGTH MM1891