Tripp Lite's 6U SRW6U Network Rack is designed to accommodate EIA-compliant 19 "rack equipment in network cabinets, retail stores, classrooms, administrative areas, and other areas with limited space where equipment It should be safe, organized, and out of the way Constructed of heavy-duty steel with a durable black powder-coated finish, this wall-mount switch supports a maximum load of 200 lbs. [90.7 kg]. Side panels and front door are lockable to prevent damage, tampering or theft. Removable front, top, bottom, and side panels are vented, allowing air to flow freely to keep equipment cool. The reversible front door can be opened to the left or right by rotating the cabinet 180 ° prior to installation. Convenient top and bottom ports allow easy cable routing. The SRW6U comes fully assembled and ready for wall mounting, or use Tripp Lite's SRCASTER caster set to turn it into a mobile rack.12-24 threaded and square mounting holes and numbered rack spaces make equipment installation easy. Vertical mounting rails adjust in 7/8 "increments to accommodate equipment up to 16.5" [42 cm] deep, such as network switches and patch panels. Package included SRW6U SmartRack 6U Low Profile Depth Switch Cabinet for Wall Mount (12) M6 screws (12) M6 lock nuts (12) M6 cup washers (12) 12-24 Screws Plate to install removable (3) plate screws to install (2) Keys Owner's manual.