Easy to Install: These cable clips can be installed, no tools required. Clips can be bent. You can use 1 washer in each top corner and 2 clips in each bottom corner. Premium Material: Gutter clips are made of aluminum alloy, which are reliable, strong and not easy to break. They make the cable less likely to slip. Package Content: You receive some cable spacers and some clips. Sufficient quantity meet your needs of daily use, replacement and sharing with others. Suitable Size: The size of gasket is about 4.5cm/1.77in. These roof clips and spacers are suitable for tiles from various and other pitched roof tile installation. : Roof deicing cable kit is a great helper in your life. It's a great choice to gift to family, friend, etc., Manufacturer: Mcnhbdgg