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
National Hardware N100-345 (V4230) 1/4-in Cable Clamp in Stainless Steel in the Chain Accessories department at Lowes.com
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
Steel Cable Clamps - Vinyl Insulated
3/8-inch Heavy Duty Rope Clamps | The Metal Double Rope Clamps – Ravenox