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    1. 55151-1/2-25 1-1/2" x 4", 15.8 Cu Inch, 2-Knockout, Silver, Pre-Galvanized, Steel, Drawn, Octagon Box Extension Ring
      55151-1/2-25 1-1/2" x 4", 15.8 Cu Inch, 2-Knockout, Silver, Pre-Galvanized, Steel, Drawn, Octagon Box Extension Ring
      $2.35 / EA
      Availability: 17 EA
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    1. Knockout Size (2) 1/2 Inch Conduit Side, (2) 3/4 Inch Conduit Side Remove This Item
    2. Number of Knockouts 4 Remove This Item
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