Light-duty support base and rod assembly are made polypropylene with a 5 1⁄2-lb rectangular weighted base. Stand includes one rod which can be placed in center or on the end of the base. SpecificationsClampsandsupports Base Material: Polypropylene Coated Metal Clampsandsupports Rod Material: Polypropylene Coated Metal Description: Support Stand with Center Rod Clampsandsupports Diameter (in): 0.5 Clampsandsupports Depth (in): 8 Clampsandsupports Length (in): 30.5 Clampsandsupports Width (in): 12