Octagon Electrical Box Cover, 4" Junction Box Covers with 1/2" Knockout

PACKAGE CONTENTS: Set of 6 galvanized metal electrical box covers designed for 4-inch octagonal and round junction boxes | VERSATILE DESIGN: Features 1/2-inch knockout for flexible installation options and wire management | MATERIAL: Constructed from durable galvanized metal for long-lasting protection and corrosion resistance | COMPATIBILITY: Perfect fit for standard 4-inch octagonal and round electrical boxes commonly used in ceiling fixtures | DIMENSIONS: 4-inch diameter flat cover plates provide complete coverage for electrical box openings