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    1. 53151 3/4 4" x 1-1/2" x 4", 8-Knockout, 21 Cu Inch, Silver, Pre-Galvanized Steel, Square Box Extension Ring
      53151 3/4 4" x 1-1/2" x 4", 8-Knockout, 21 Cu Inch, Silver, Pre-Galvanized Steel, Square Box Extension Ring
      $2.72 / EA
      Availability: Currently out of stock
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    1. Knockout Size (2) 1/2 Inch Conduit Sides,(4) Conduit Cable Ends Remove This Item
    2. Knockout Size (4) 1/2 Inch Conduit Sides, (2) (1/2 Inch - 3/4 Inch)Eccentric Conduit Sides, (4) 1/2 Inch Conduit Ends Remove This Item
    3. Knockout Size (4) 3/4 Inch Conduit Sides, (4) 3/4 Inch Conduit Ends Remove This Item
    4. Material Pre-Galvanized Drawn Steel Remove This Item
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