𝗕𝗦𝗖 𝗣𝗢𝗪𝗘𝗥 𝗘𝗥𝟭𝟮 A router is an electric power tool used to cut a variety of different shapes in materials such as wood, plastic and some metals. They are used in conjunction with router cutters, and sometimes other detachable accessories, for cutting through and shaping materials in a huge variety of ways, for different tasks.