The Plumber's Choice Black Steel Pipe, 1/2 in. x 7 in. Nipple Fitting (Pack of 4) 1270NPBL-4 - The Home Depot
Alffun 1/2 Inch Black Malleable Iron Cast Pipe Fitting Flange Tees Elbow, for DIY Decor or Industrial Vintage Style, 30-Pack. - Amazon.com
1/2" 5-way Cross Fitting, PIPE DECOR Black Malleable Iron Fittings Fit Standard 1/2 Inch Pipes, Nipples and Fittings, Build Vintage DIY Furniture, 4 Pack - Amazon.com
Authentic Malleable Iron 90 Degree Black 1/2" Elbow Ten Pack by Pipe Decor, Industrial Steel Gray Standard Half Inch Threaded Pipes Fittings Nipples, Great For Rustic DIY Furniture Fixtures, 10 Elbows - Amazon.com
Amazon.com: Supply Giant OQCB1200 1/2 Inch Assortment, Malleable Threaded Nipples,Steel Pipe Fittings for All Your DIY Vintage Shelving Projects, Black (Includes 6 of Each Size, 1-6 Inches 66 Pieces in Total) : Everything Else
Antique Style Black self colour malleable iron pipe fittings connectors Black cast Iron threaded pipe 1/2 inch 3/4 inch 1 inch - Walmart.com
Black Pipe Fittings - 2" NPT Union, 300# UL Listed