1/4",1/2",3/4",1/8",3/8",5/8" 6PCS ER32 Precision Spring Collets CNC Lathe Milling Chuck (hole dia：1/4",1/2 ",3/4 ",1/8 ",3/8 ",5/8");

Features:

Fit for drilling machine, milling machine CNC chuck or holder.
Permanent resilience, high precision.
Adopts high quality spring steel, stable in performance.
Accuracy:<0.015

Package Included:

6 x CNC ER-32 Precision Collet