Underdesk Mobile Machine Stand easily rolls under your desk or beside it to hold your essential devices. Metal frame with black powder coating offers sturdy support. The top shelf holds up to 100 lb., and the bottom shelf holds up to 50 lb. The 3/5" thick shelves feature a weathered charcoal laminate and PVC edge. Open back and sides allow easy cord management. Two of the four 2" diameter, dual-wheel casters lock to park the machine stand where you need it.