Copper-Plated Cast Iron, For 3/8 in Threaded Rod, Rod Hanger Plate - 1RUY9|365M0037CP - Grainger
15.75 Wide Hammered Copper Coat Hanger - Etsy
Highcraft Hinged Split Ring Pipe Hanger, 1-1/2 in. Copper Epoxy Coated Iron Extension Hanger with 3/8 in. Threaded Rod Fitting for Suspending Tubing (5 Pack) - Walmart.com