Attributes:
* Model: ER20
* Clamping Diameter: 6.5mm
* Precision: 0.015mm / 0.0006-inch
* Total Height: 31.5mm / 1.24-inch
* Outer Diameter(Max): 21mm / 0.83-inch

What Is Included:
* 1 Pieces x Spring Collet

Applications & Features:
--- The spring collet is specifically designed for use with CNC milling and engraving machines. It provides reliable clamping and work holding capabilities during machining processes.
--- To replace the engraving tool, loosen the nut using a wrench to remove the chuck and engraving tool. Push the collet to release it from the nut, allowing for easy removal.

Useful Tips:
--- Ensure proper usage by placing the collet into the collet chuck nut before inserting it into the collet chuck. This simple step ensures a secure fit.