5 Pcs Square Electrical Box with Cover, 4-Inch Metal Junction Box

5 Pcs, 4x4 Inch, SilverThis set includes 5 square electrical boxes with covers and screws. Each box measures 4 x 4 x 1.5 inches (10.2 x 10.2 x 3.8 cm) with a 21.0 cu. in. capacity. The silver galvanized finish provides a clean, professional look for residential or commercial installations. | Heavy-Duty Galvanized SteelEach square electrical box with cover is made from 1.2mm thick galvanized steel, offering excellent resistance to rust and impact. The sturdy metal construction ensures long-lasting protection for wiring connections in walls, ceilings, or floors. | 16 Pre-Cut KnockoutsThis metal electrical junction box features ten 1/2-inch and six 3/4-inch knockouts for easy cable entry. The pre-cut openings save installation time and allow flexible routing of wires without needing additional drilling tools. | Secure Cover and ScrewsEach junction box metal includes a matching cover plate and three screws for a tight, secure seal. The cover prevents dust and debris from entering while keeping electrical connections safely enclosed and organized. | Versatile Indoor ApplicationsThis electrical junction box with cover is ideal for installing outlets, switches, light fixtures, or splicing wires in basements, garages, workshops, and attics. Perfect for new construction or retrofit projects requiring a reliable metal enclosure.