Hard-to-Find Fastener 014973435523 5/16-24 Acorn Nut (6 Pieces)
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<b>[Product Information]</b><br>
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<li>Diameter: 5/16"</li>
<li>Material: Steel</li>
<li>Finish: Black Chrome</li>
<li>Driver Type: 1/2" Wrench</li>
<li>Thread Type: 24 (Fine)</li>
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<img src='http://ecx.images-amazon.com/images/I/41S3QR%2BXL%2BL.jpg'></br>