Cable/Wire Nail-In Clip Set - 500 Round 11/16" (18 mm) Cable Wire Clips Cable Management Cord Tie Holder Coaxial Nail In Clamps Tacks - Great for securing cables or wiring to walls; 500 round cable wire clips (nail included); Size: 11/16" (18 mm); Easy nail-in design; Just place your cable within the clip and hammer the nail to securely fasten to the wall; Polypropylene clip with steel nail