... .com, Flat Packing, save the Shipping Cost.3.Standing or wall mounting installation 4.Adjustable feet and heavy duty castors are optional ... Comply with ANSI/EIA RS-310-D, IEC297-2, DIN41494; PART1, DIN41494; PART7, ETSIStandardMaterial:High grade cold rolled steel.Thickness:Mounting profile ... Blanking plate 1U, 2U, 4UHeavy duty castor, Heavy duty castor with brakeOptional lock for side panelsEarth kit