Deskside Mobile Machine Stand with three shelves easily rolls beside your desk to hold your essential devices. Metal frame with black powder coating offers sturdy support. Top shelf holds up to 100 lb., & two bottom shelves each hold up to 50 lb. Perforated hole pattern on middle metal shelf dissipates heat to keep equipment running cool & efficient while reducing the chances of any possible overheating. The 3/5" thick shelves feature charcoal laminate & PVC edge. Open back & sides allow easy cord management. Two of the four 2" diameter, dual-wheel casters lock to park the machine stand where you need it.