The Plumber's Choice 1-1/4 in. Hinged Split Ring Pipe Hanger, Malleable Iron Clamp with 3/8 in. Rod Fitting, for Suspending Tubing (5-Pack) 114HSHB-5 - The Home Depot
143mm Clamp-on Rings - Bright Tangerine
22-5/16 In. Steel Lever-Lock Clamp Ring |35901932| Snyder
Aexit 27-51mm Hoop Clamps Metal Hose Pipe Fitting Clamp Ring Strap Clamps 5 Pcs - Amazon.com