1/2 in. Knockout Seal (150-Pack)

Commercial Electric’s Knockout Seals are used to close unused opening or knockout in sheet metal box, enclosure, or cabinet. They provide a safe barrier for extra conduit and knockout openings against dust, dirt, oil, and water. All steel construction provides installation integrity. Zinc-electroplated for added corrosion protection.”,”highlights”:[“Steel Knockout Seal”,”Snap-In Type”,”For Conduit Installation and Support (ACC)”