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
Gardner Bender 1/2-in Plastic Cable Clips Cable Staple (12-Pack) in the Cable Staples & Spacers department at Lowes.com
Install Bay Cable Clamps, 100 Pack (1/8 Inch) : Target
Cozihom 1/2 Inch M12 Wire Rope Cable Clip Clamp, 304 Stainless Steel, U Bolt Saddle Fastener, Pack of 4: Amazon.com: Industrial & Scientific
1/2 Inch Black Cable Clamp - 100 Pack - Secure™ Cable Ties
Mandala Crafts Cable Clamps – Wire Clamps for Electric Wires - Stainle – MudraCrafts