Oatey 1 in. Galvanized Split Ring Pipe Hanger 33553 - The Home Depot
Pipe Support Split Ring - 1-1/2" OD x 6" – sloanrepair
Weld Backing / Chill Rings | GETPVF
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
Oatey 1-1/4-in to 1-1/4-in dia Galvanized Split Ring Hanger in the Pipe Support & Clamps department at Lowes.com
Thin 10mm O ring for use in pipes
Jacob Pull-ring for push-in pipes 1 and 2 mm, W1 | IQ-Parts-Shop
Sloan J-312-A Split Ring Pipe Support 1-1/2" (6" from C to E) | SloanPlumbingParts.com
MP-HI - Pipe clamps - Hilti Indonesia
AMERICAN VALVE 3/4-in to 3/4-in dia Galvanized Split Ring Hanger in the Pipe Support & Clamps department at Lowes.com
The Plumber's Choice 3/4 in. Hinged Split Ring Pipe Hanger, Copper Epoxy Coated Clamp with 3/8 in. Rod Fitting, for Hanging Tubing (10-Pack) 34HSHCP-10 - The Home Depot
The Plumber's Choice 4 in. Hinged Split Ring Pipe Hanger in Galvanized Malleable Iron 04HSHG - The Home Depot