👉 A polisher is a type of metalworking tool that is used to remove any surface roughness or imperfections from a metal surface. These tools are often used in conjunction with other tools such as sandpaper, grinders, and polishing machines. Polishers work by applying a layer of fine-grit abrasive material over the surface being polished, which helps to remove any surface impurities and roughness. The grit level of the polisher can be adjusted to provide the desired level of polishing,