The Plumber's Choice 1-1/2 in. Hinged Split Ring Pipe Hanger, Galvanized Iron Clamp with 3/8 in. Rod Fitting, for Suspending Tubing (5-Pack) 112HSHG-5 - The Home Depot
Stainless Steel Hinged Pipe Clamp
BIS Hinged Pipe Clamp 400 (Round) - Walraven International