... duty castors Easy assembling, Perfect quality, Speical desig Double T Stand Frame Rack, With Double Side Standard, with heavy duty castorsGerenal Size ... is make of 1"x2" oval tube;3.) Heavy duty rack;4.) With dia 3.0" heavy duty castor;5.) Excellant ... Material: PE bag + form + five layer mater carton, Double T Stand Frame Rack With Double Side Standard, with heavy duty casters