Southwire Open 2-3/4 In. On-Center 4 In. x 4 In. Square Raised Cover is a versatile round fixture ring designed for mounting light fixtures in walls and ceilings. It effectively converts a 4-inch square box into a 3-1/2 inch round opening, featuring 8-32 threaded mounting tabs that make it i for lighting retrofit applications. The cover includes angled slots that allow for up to 1/2 inch of box misalignment on upright framing members, ensuring a precise fit even in less-than- installations. This product is both UL and RoHS compliant, meeting important safety and environmental standards. Model Number: 52C3-UPC