Supply Giant 1" x 8", Steel Pipe, pre cut Industrial Pipe, Threaded Pipe Nipples and Fittings, Build Vintage DIY Furniture, Galvanized (Pack Of 4) - Walmart.com
Amazon.com: Supply Giant GMCR0100-5 Galvanized Malleable Cross Fitting Four Way Threaded Pipe Connector, Connects to 1 Inch (Pack of 5) : Everything Else