3M Pro Grade Precision Ultra Flexible Block Sanding Sponge, 4.5 x 2.5 x 1-Inch, 220-Grit, X-Fine
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<b>[Product Information]</b><br>
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<li>Lasts 5X Longer than 3M conventional sanding sheets</li>
<li>Channels dust away from sanding surface</li>
<li>Use pattern side for detail/contour sanding</li>
<li>Use regular side for flat sanding</li>
<li>Made of premium aluminum oxide mineral</li>
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