ROADINGER Effect Rack CO DD is a 3U double-door flightcase for transporting 483 mm (19-inch) control and effect units. It features removable front and rear lids, built-in rack rails, a 22 mm aluminium profile frame, four spring locks with shut-off function, four rubber feet and a carrying handle. The case is made of black laminated 7 mm plywood and has a maximum load of 25 kg. Its external dimensions are 52.5 × 40 × 18 cm, and its mounting depth is 240 mm.