Widely Used - This string light hanger can hang most lights including inicle light, C5, C6, C7, C9, LED mini light, and fairy light. You can also use it to hang ornaments such as Christmas balls, bells indoors. Enough Amount - There are 200 pieces of Christmas light clips in a package, which is enough to use on the gutter and let you have a back-up replacement. More-Match Color - The black color of the outdoor lighting gutter hooks can match most house gutter and wall colors which will not stand out when used with the holiday lights. Durable and Weatherproof - The Christmas light clips are weatherproof, which means they can withstand high winds and can be used in harsh environments. And they are sturdy enough that you can store them and use them in next year. Tool-less Installation - You only need one hand to install and remove the Coideal light hooks on the gutter or roof single, which does not need glue and nails like other light clips to install.