Mobile LAN station series allows you to easily work with multiple servers/computers in one workstation Heavy-duty welded steel wire construction promotes air circulation, light and fire suppressant distribution, and prevents dust build up. Each shelf is adjustable in 1-inch increments and can support up to 600 lbs, up to a maximum of 1200 lbs total on casters. Height markers and snap sleeves enables quick and easy assembly. Each model comes with four 5" polyurethane swivel casters (two with brakes) for complete mobility. Black Epoxy high performance finish is guaranteed against corrosion for 7 full years in dry storage applications.