OFM LAN3618-SILVER Heavy-Duty LAN Unit, Silver No tools required for assembly Weight capacity 300 lbs. per shelf, evenly distributed mounted on 1" diameter posts Customize shelf assembly in 1" increments, unit comes with 4 shelves, 4 posts, adjustable glides and shelf mounting clips Includes 4 Flat Hooks for linking to other units Greenguard Certified For Children & Schools