Tools ER20 3/8 Inch High Precision Spring Collets Set CNC Milling 1 PCS

12.0MM ER 20 High Precision Spring Collets Metric (0.0003) T.I.R. Machinist C...

8.0MM ER 20 High Precision Spring Collets Metric (0.0003) T.I.R. Machinist Ch...

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