4PCS 3/4inch Cold-Rolled Steel Knockout Seal Electrical Box Knockout Plugs Removable Seal for Closure Unused Box Outlets for The Conduit Pipe

High-quality material: Made of high-quality Cold-Rolled Steel, it has good anti-corrosion performance, is not easy to rust, reliable and durable, and can be used for a long time. | Safe and reliable: The plug size of these electrical boxes is about 3/4 inch; With this ideal size, they can be tightly installed in the electrical box to prevent dust and debris from seeping in. | Simple design: can be quickly installed into the punching machine without the need for special tools or equipment; Using these convenient detachable seals eliminates the hassle of electrical projects. | Scope of application: Electrical box knockout seals have a wide range of applications and can be used in a variety of environments, whether it is residential or commercial buildings; they cover exposed punches in steel outlet boxes and other metal enclosures, making them a useful solution for many electrical tasks. | This product includes: 4 round pipe plugs, the quantity is enough to meet your daily use needs.