Complete Size Coverage: Package includes 10 pieces of 1/2",10 pieces of 3/4" and 10 pieces of 1" premium stainless steel knockout seals. Designed to fit standard electrical box openings, providing ideal solutions for both residential and commercial installations
Premium Stainless Steel: Made from high-grade stainless steel for superior strength and durability. Performs reliably in wet conditions and extreme temperatures, ideal for workshop, marine and outdoor applications
Secure Sealing Performance: Creates a weatherproof seal around unused knockouts to block dust, water, and foreign objects from entering electrical boxes, protecting wiring and reducing short-circuit risks
Tool-Free Installation: Simple screw-on or snap-in design allows quick installation/removal without damaging the box; reusable for future adjustments or maintenance
Wide Applications: Ideal for electricians, HVAC systems, and industrial equipment protection—seals junction boxes, control panels, and pipe conduits while complying with safety standards