| ER Model | ER20 |
| Material | Steel |
| Shank | MT2 |
| Drawbar-Thread | M10 |
| Total Length | 104mm |
| Quantity | 1pcs |
Features:
Surface more smooth， feel comfortable， appearance nice.
Improve the hardness and endurance of the surface.
Antitrust Precision ground and hand inspected.
Cleanness better， accuracy stable.
