box) x White Twin / Shotgun Coaxial Cable ClipsSize - Suitable for cable that has a maximum external diameter of 4.8mm x2 (this means that each core should have a diameter of 4.8mm and the total width of your cable should not exceed 9.5mm)Can be used with - These clips are usually used with the following cables; CT63, WF65. They can also be used with any other twin cables that do not exceed the dimensions mentioned above. Excellent standard of manufacture - Perfect for wood and masonry applications. The nails are 25mm long and are made from hardened steel that can penetrate very hard surfaces. The clips have a large surface area (which sits against the wall face when hammering) providing excellent extra support.