COMPATIBLE WITH OPEN FRAME RACK MODEL 111: Specifically designed for the 30U Open Frame Rack Model 111 with a 28.875' depth TOOL-LESS INSTALLATION: Easy-to-install, non-locking side panels for quick setup without the need for tools REQUIRES TWO PANEL KITS: Sold individually per side; two kits are needed to enclose both left and right sides of the rack ENHANCE RACK SECURITY: Provides additional protection and enclosure for the racks equipment PRECISE FIT: Only compatible with racks of 28.875' depth, ensuring a perfect fit for your setup