1.STAINLESS STEEL This gutter adapter of the rain chain is made of stainless steel, which is both waterproof and rust resistant, ensuring long lasting performance in all weather conditions. 2.Easy to install: first place the rectangular bracket over the gutter hole. The gutter hole must be at least 2.25 inches wide so that the adapter fits. After placing the rectangular bracket over the gutter hole, drive the adapter through the gutter hole..You can now hang the rain chain from the Ushaped bracket at the bottom of the adapter. 3.Stylish and practical: the rain chain gutter adapter is not only functional, but also improves the visual appeal of your home. The elegant stainless steel design complements any architectural style and is the perfect addition to your garden or patio decor. 4.Offset Rain Chain The rain chain gutter adapter is designed with a 2.75 inch offset, allowing proper water flows to be directed to drainage areas that are not directly under the gutter.