25 PK Minerallac 90052 3/4" Steel Knockout Seal, 3-Piece Design, 50-Pack 25 PK Minerallac 90052 3/4" Steel Knockout Seal, 3-Piece Design, 50-Pack New The Minerallac 90052 is a 3-piece knockout seal for 3/4" conduit openings. Made of zinc-plated steel, it provides a secure seal for unused knockouts in electrical boxes. The set includes a bracket and screw for easy installation. Ideal for indoor applications, it helps maintain safety and enclosure integrity. Each pack contains 50 seals.. Listed by: Koryon (Sales Team) "plans are worth very little?but the art of planning is worth everything?-RRW (A positive moment brought to you by Help Resale) About Us Welcome to Help Resale, your go-to consignment shop where value meets quality. At Help Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your items. Need to buy a product, but don't see it in our store? Please feel free to reach out to us and we will help you find it! Help Resale 7200 Fair Oaks Blvd Suite 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:00 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)