A1Organics12 Cable Holder Clips with 12 Screw & 12 Screw cap Free Specification : ?Material : Plastic?Diameter/Suitable For : (3/8") 9.53mm to (5/8") 15.88mm Copper pipe & wire. ?Thickness : 0.635mm (0.025") minimum Package Contains : 12 Nail Clips with 12 Screw & 12 screw caps free.Round Plastic Cable Clips : ?Round Plastic Cable Clips Protects Insulation and are Weather Resistant, Impact Resistant & Non-Corrosive Complete with Corrosion Resistant Hardened Nails for Securing Cable to Wood, Cement, Plaster, Brick, etc.Premium Quality : ?They are Pretty much what you would Expect from Cable Staples. Nails are Good Quality. ?These will handle all round cables diameter as per their Size. Plastic Holds up well, isn't flimsy and won't snap easily. ?Can install the round electric cables / pipe to the wall or the floorboard for a clean look and prevent tripping over loose cable.