[4 Pack Electrical Box Covers] Metal electrical box covers are used to cover electrical boxes and junction boxes to help prevent accidental contact. [Wide Adaptation] The junction box covers are square with 4 inch sides, suitable for most electric box cases. Square blank panel is an ideal cover for 4 inch electric boxes. Angled mounting slots allow compensation for box misalignment. [High-Quality Metal Materials] These metal electric box cover plates are made of heavy galvanized iron, sturdy, waterproof, rust-proof, flame-retardant, and high-temperature resistant. They will not crack or fade and can be reused, offering economical and practical performance. [Easy To Install] These electrical box covers are simple to use. Place the cover over the opening and secure it by tightening the screws into the junction box. Junction box covers are ideal for covering damaged areas, defects, or unused electrical boxes. Color: Silver Material: Metal Package Contents: 4 x Electrical Box Cover Plates Note: Light reflection and different displays may cause slight color variation between the image and actual item. Measurement may vary by +/- 1-3 cm.