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Description:
<ul><li>14 Piece Pro-Series High Accuracy ER-20 1-13mm Spring Collet Set</li><li>AA Grade.</li><li>5 Micron.</li><li>Superior finish.</li><li>Runout is less than or equal to .0002".</li><li>Made of high grade SUJ2 steel.</li><li>Hardened and precision gro