Everbilt 1/8 in. Zinc-Plated Wire Rope Clamp (2-Pack) 42594 - The Home Depot
GB PPC-1550 Cable Clamp, 1/2 in Max Bundle Dia, Plastic, White | HardwareStore.com
Metal cylindrical electric cable clamp - MC Fact
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