Feature:
-Extension rod diameter and the other parts are precision ground to eliminate imbalances， increased stability during cutting， tighten the nut directly， high rigidity， extremely powerful clamping force
-C12 Shank Holding all ER16 collets
-Model: C12-ER16-100
-Hardness: HRC46-50
-Accuracy: 0.01
-Shank Diameter: 12mm
-Length: 136mm
-Weight: 200g

Package Included:
1 x chuck holder