1. Made of high grade specially formulated spring steel, in use.
2. Professional manufacturing, exquisite workmanship, high reliability.
3. Built in self-release design and tools will never get stuck in holder.
4. Use with any standard ER collet chucks for coolant-thru tool applications.
5. Widely used for boring, milling, drilling, silk attack, sculpture, CNC, and other processing.

Specification:
Features:
Made of high grade specially formulated spring steel, in use.
Professional manufacturing, exquisite workmanship, high reliability.
Built in self-release design and tools will never get stuck in holder.
Use with any standard ER collet chucks for coolant-thru tool applications.
Widely used for boring, milling, drilling, silk attack, sculpture, CNC, and other processing.

Specification:
Condition: brand new
Spring Collet Model: ER11-1, ER11-2, ER11-3, ER11-4, ER11-5, ER11-6, ER11-7
Package List:
1 x Extension Rod
7 x Spring Collet
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.