Halex 1/2 in. Steel Knockout Seal

The Halex 1/2 in. Steel Knockout Seal is designed to cover exposed knockout holes in steel outlet boxes and other metal enclosures. It provides a secure, durable closure to protect wiring and electrical components from dust, debris, and accidental contact in indoor environments. Constructed from sturdy steel, this knockout seal installs easily into standard electrical enclosures, ensuring safe and reliable performance across residential, commercial, and light industrial applications.