HIGH QUALITY : With heat treatment, the Keyless Drill Chuck has good toughness and higher structural strength.
chuck
uxcell a15060800ux0208 C12-ER11A-100L Collet Chuck Holder Straight CNC Milling Extension Rod for CNC Lathe Milling Tool
Product Name : Straight Collet Chuck;Model : C12-ER11A-100L;Fit for : ER11 Collet