TRIPP LITE 12U Heavy Duty Wall Mount Rack Enclosure Cabinet Side Mount Wall Mount Components SRW12UHD Black Package Content: 20 screws, 20 cage nuts Color: Black Rack Size: 19" Heavy Duty/High Weight Capacity side-mount construction 12U of server depth equipment capacity Fully vented doors and side panel Adjustable front and rear rails Dual-rail mounting designs supports equipment mounting via square holes or threaded holes 500lb weight capacity 5-year limited warranty