Everbilt 3/8 in. Wire Rope Clip (2-Pack) 55314 - The Home Depot
Amazon.com: HS 7mm Ethernet Cat6 Cable Clips Clamps RG6 with Steel Nail (200 Pack) Wire Clips Black for Wall,Cord Management : Electronics
500-Pack Round Cable Wire Clips for Wall Mounting Cord and Cable Management in 5 Assorted Sizes for RJ45 Ethernet Connectors, Nails Included (4mm, 6mm, 8mm, 10mm, 14mm) | Michaels