- Model K3
- For Chuck 3, 34 Series & 8-1/2N
features
- Nickel thumb grips. For plain bearing and ball bearing chucks.
- #3664: For ball bearing SuperChuck® chucks
- replacement
| Model | K3 |
| Handle Type | Thumb |
| Pilot Diameter | 0.313 in |
| For Chuck | 3, 34 Series & 8-1/2N |
| Weight | 0.21 LB |
| EAN or UPC | 95456036512 |

