1/2″ X 21′ Pipe Threaded Both Ends SKU: 4420A Category: Black Iron & Galvanized Malleable Pipe & Fittings Tag: 21' Black Iron Pipe Description Description 1/2″ X 21′ Pipe Threaded Both Ends Related products Quickview SKU45030248 3/4″ X 48″ Pipe Threaded Both Ends More Info Quickview SKU4445PE 1-1/4″ X 21′ Pipe Plain End More Info Quickview SKU4420PE 1/2″ X 21′ Pipe Plain End More Info Quickview SKU4430A 3/4″ X 21′ Pipe Threaded Both Ends More Info