Welded construction with 1-5/16 in. OD tubular dividers on a base of square tubing and angle iron that includes lag down holes and keeps stored materials up off the floor. 5 uprights adjust on 2 in. increments allowing the user to configure the rack to their individual specifications. Upright dividers are 27 in., 36 in., and 42 in. high. Frame and uprights are all welded and coated in a durable gray powder coat for long lasting performance. Ships knocked down to save on freight.