Tube clamps - Malleable Iron Pipe Clamp Fitting 143-A27.
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
Malleable Iron Tube Clamp Pipe Clamps Fitting Scaffolding Clamp - China Pipe Clamp, Tube Clamp | Made-in-China.com
Pipe fitting alignment clamp 24" | eBay
B&B Pipe 1220 PDQ Pipe Clamp (Small) fits 1" to 3" Pipe for Pipe Fitting, Fit Up, and Welding (One Pack) - Amazon.com
Highcraft Pipe Repair Clamp 2" One Bolt, 6" Long Stainless Steel (5 Pack) - Walmart.com
VEVOR Ultra Clamp Pipe Clamp 2" - 6" Welding Alignment Clamp or Ultra Fit Clamp | eBay
The Plumber's Choice 1 in. Hinged Split Ring Pipe Hanger, Copper Epoxy Coated Clamp with 3/8 in. Rod Fitting, for Hanging Tubing (10-Pack) 01HSHCP-10 - The Home Depot
SOKO Ultra Pipe Clamp Tools, 2 To 6 in Ultra Steel Pipe Fitting Tool with Lightweight Design, High Strength Ultra Screw Clamp with Quick Acting Screws, Strong Hand Pipe Alignment Clamp Tools -
Pipefitter.com > Pipe Clamps > Fitter Grips
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