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Description:
<ul><li>Pro-Series 12 Piece ER-16 Spring Collet Set With Rack (3901-5375)</li><li>Made of high grade alloy tool steel.</li><li>Runout is </= .0002"/.005mm.</li><li>Collets include 1-10mm.</li><li>Hardened and precision ground to 44-48HRC.</li><li>Surface