1/2” Universal Pipe Clamp Bracket for 1/2” OD Pipes & Tubes
Pony 1/2 inch Pipe Clamp Fixture for 1/2 inch Black Pipe - Walmart.com
1/2" Pipe Clamp
BESSEY BPC-H12, 1/2 In. H Style Pipe Clamps - Incredibly Versatile, Easy To Assemble, Indespensable Workshop Clamp For Woodworking, Carpentry, Home Improvement, and DIY Projects - Pipe Clamps - Amazon.com
Sapsis Rigging Inc.: Batten Clamp 1 -1/2"
Oatey 1/2 in. Standard Pipe Clamp (5-Pack) 33523 - The Home Depot