1000 (10 boxes) x Black Cable ClipsSize - Suitable for cable that has a 6-7mm external diameterCan be used with - These clips can usually be used with the following cables; CT100, WF100, PF100 and RG6 Excellent standard of manufacture - Perfect for wood and masonry applications. The nails are hardened and can penetrate very hard surfaces. The clip has a large surface area (which sits against the wall face when hammering) providing excellent extra support. (Many of the cheaper clips have nails that bend and the clips themselves deteriorate when being hammered into a hard surface.)We have the following quantities available in our shop, the more you purchase, the cheaper it gets;1002001,0005,00010,00020,000