The Hillman Group 58179 2-1/2-Inch Hole Grey Nylon Knock Out Seal, 2-Pack
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<b>[Product Information]</b><br>
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<li>Installs quickly with fingertip pressure (no tools required)</li>
<li>Nylon hole plug to cover knock-out holes in electrical boxes</li>
<li>Corrosion resistant</li>
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