$63.99 100pcs 1/2 inch (13.2mm) R-Type Cable Clamp Nylon Wire Hose Tube Fastener Fixed Cable Tie Mount 
Wire Shelf Clips 1/2 Inch Wire Shelving Lock Clips Plastic for Wire Shelving System, 16 Pcs 
Paulin 1/2-inch Cable Clamp Black | The Home Depot Canada
