The Plumber's Choice 1-1/2 in. Steel Cable Clamp; Hangs Tubing, Wiring, Ropes, for PEX, Plumbing, Marine, Automobile; Galvanized 112CPSWG - The Home Depot
Umpco S325G24 1 1/2 inch Plated Steel Cable Clamp, 1/2 inch Wide | Waytek
Amazon.com: 1/2" Electriduct Heavy Duty Nylon Cable Clamps Mouting Wire Clips - 50pcs | Black : Electronics
Pipe Ground Clamps for Armored Cable- Size 1/2 to 1" with clip (50 Pac – Veera Sales
ISPINNER 36pcs 1/2 Inch Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation (1/2 Inch) - Amazon.com