The Welded Frame Pre-Configure Racks.

 
Contempra Rapid Rack
19" Welded Frame, Racks - assembled
Rapid Rack "Contempra 2"
(C2RR series)
DATACOM Contempra

19" & 24" Welded Frame, Racks - assembled
LAN/DATA - Rapid Rack "Contempra 2"
(C2RR D series)

19" Welded Frame, Racks - assembled
SERVER - Rapid Rack "Contempra 2"
(C2RR S series)