This 25-piece Gardner Bender PCS-1600T clip-on coaxial masonry staple set is ideal for securing RG59 and RG6 coaxial cables into cement block and masonry. The 1/4-inch wide, UV-resistant polyethylene saddles are suitable for indoor or outdoor applications and feature hardened nails that penetrate into cement block, mortar, or plaster. Zinc-plated for corrosion resistance.