SmartRack 4-post open frame racks are ideal for cost conscious 19 inch rack mount applications. Multiple units can be bolted together side by side. The SR4POST supports 1000lbs of rackmount equipment and features: adjustable mounting depth (22-36 inches); textured black powder coat finish; heavy-duty cold-rolled steel construction; numbered mounting positions; bolt down provisions; self squaring design; easy assembly. More from the Manufacturer