8 Pcs 4x4 Metal Electrical Box Cover Plate, Metal Junction Box Covers Plate, 4 Inch Square Flat Blank Electric Box Cover

Metal electrical box cover: The side length of the junction box cover is 4 inches, suitable for most 4-inch electrical box, please measure the size of the junction box before purchase, to avoid the inability to install.
High quality metal material: These junction box covers made of heavy iron plate galvanized, strong and durable, waterproof and rust-proof, can also be reused, economical and practical.
Wide range of adaptation: The electrical box cover plate is suitable for most common square junction boxes, can closely cover the electric box, is a perfect cover for 4-inch square electrical box.
Easy to install: The electrical box cover plate can be easily attached to the outlet box, with angled mounting slots to supplement the box 12 degrees of misalignment, and the metal electrical box cover can close the outlet box very well to prevent accidental electrocution.