Made of high grade specially formulated spring steel.
Hardened and precision ground.
Built in self-Release design and tools will never get stuck in holder.
Material: 45 steel
13 * ER11 Collet(1mm/1.5mm/2mm/2.5mm/3mm/3.5mm/4mm/4.5mm/5mm/5.5mm/6mm/6.5mm/7mm)
1 * ER11A Nut
Only the above package content, other products are not included.
Note: Light shooting 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.