National Hardware N100-261- 1/4-in Wire Cable Clamp in Zinc Plated in the Chain Accessories department at Lowes.com
12 Pack 1 3/4 Inch Stainless Steel Cable Clamps, Metal Pipe Clamps Wire Clamps Conduit clamps for Tube, Pipe or Wire Loom Installation, Rubber Cussioned - Walmart.com
ISPINNER 36pcs 1/4 Inch Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation (1/4 Inch) - Amazon.com
The Plumber's Choice 1-1/4 in. Steel Cable Clamp; Hangs Tubing, Wiring, Ropes, for PEX, Plumbing, Marine, Automobile; Galvanized 114CPSWG - The Home Depot
Item # AC-1025Y, 1/4 Safe-Line Clamp On Lexco Cable Manufacturers
Zinc Plated Steel Cable Clamps | Rubber Insulated Metal Clamps