7Pcs ER11 1-7mm Spring Collets with ER11A 5mm Motor Shaft Holder Extension Rod,1 * Extension Rod 7 * ER11 Collets,Silver

ER11A 5mm Extension Rod
Height: 38 mm(when the lock nut)
Shaft Hole: 5 mm (+0.02 mm) the need to install heating expansion
ER11A Nut: Outside hexagonal nut 19 mm maximum overall diamete
Hardened and precision ground
Built in self-Release design and tools never get stuck in holder
Widely used, boring, milling, drilling, silk attack, sculpture, CNC, and other processing.
Use with any standard collet chucks for coolant-thru tool applications.
Each collet is well packed in separate protective container with label.
Colour: Silver
Material: Carbon steel
Note: The color of package is random, don't accept the specified color.

Package Contents:
1 * Extension Rod
7 * ER11 Collets

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.