Concord Blades CAD01 Cup Wheel Adapter-Converts 7/8" arbor to 5/8"-11 Female Thread
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<b>[Product Information]</b><br>
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<li>7/8" male thread to 5/8"-11 UNC thread</li>
<li>for use on an Angle Grinder</li>
<li>Converter for Concrete cup wheels</li>
<li>For Non Thread to UNC Thread</li>
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<img src='http://ecx.images-amazon.com/images/I/51FvIVb97OL.jpg'></br>