Got an unused electrical junction box that needs covering? These 4-inch square metal cover plates are exactly what you need. You get 3 in a pack. They're made from sturdy, galvanized iron that's waterproof and rust-resistant, so they're great for basements, garages, workshops, or outdoor applications. Each plate measures 4 inches by 4 inches with a thickness of 1.65mm. They're designed to completely cover a standard 4-inch square electrical box, protecting the wiring inside and preventing accidental contact – a smart safety move, especially if you have kids or pets. They fit most common square junction boxes and install easily with the provided screws (usually not included with the box itself, so check). Always measure your junction box before buying to ensure a proper fit. A simple, essential piece of electrical hardware for any DIYer or homeowner.