JIUWU 6.35mm To 3.175mm 1/8 Inch Engraving bit CNC Router Tool For 6.35mm Collet
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<b>[Product Information]</b><br>
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<li>Material : Spring steel</li>
<li>Length: 23.5mm</li>
<li>Dia. (Inner): 3.175mm(+/-0.1mm)</li>
<li>Dia. (Outer): 6.35mm</li>
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