The surface mount clips are perfect for creating a beautiful and unique lighting display on any vertical surface. These clips are designed to be installed with a simple screw through the center, making them easy to use and extremely versatile. Whether you want to decorate a fence, a backdrop, or any other vertical surface, these clips are the perfect solution. They are compatible with C7 or C9 18 AWG Christmas cords, making creating a stunning display with your favorite lights easy. We love to install one clip per post and swag light strings from post to post.