Comprehensive Package for Enhanced Security: each package includes 4 metal electrical boxes, 4 receptacle exposed work cover, 4 green ground wires, and 16 screws; The inclusion of the exposed work cover provides added security, protecting your wire connections, receptacles, or switches from potential hazards; With a generous 21.0 Cu; In; Capacity, this junction box can accommodate a large number of electrical connections and components Unrivalled Durability and Strength: crafted from sturdy galvanized steel material, our small junction box promotes resilience against wear and tear; Not only are these boxes less susceptible to degradation over time, but they also ensure a high level of reliability; This robust characteristic reduces your maintenance efforts and extends the longevity of your electrical appliances Functional Design with Multiple Openings: each metal junction box of our set features eleven 1/ 2'' knockouts and six 3/ 4'' knockouts; This thoughtful and