Southwire 4 In. Blank Gray Round Box Cover is designed to securely close off a 4-inch octagon box, making it i for use as a junction box, to add a wiring device, or to mount a light fixture. This cover features convenient keyhole mounting holes that allow for easy installation, providing a simple and effective way to cover or terminate exposed electrical wiring. Crafted with safety in mind, it meets both UL and RoHS compliance standards, ensuring reliable and safe use in your electrical projects. Model Number: 54C1-UPC