Need help identifying 3 jaw chuck.

[Canuck75]

Picked up a nice little 4" 3 jaw chuck but can't find out who made it. Anyone out there recognize the NCK brand? All the parts seem much better finish and quality than a Chinese 5" 3 jaw chuck I recently bought at Busy Bee Tools.

Thanks in advance
Canuck75

 

[4ssss]

Looks like a German Co.

https://schunk.com/ru_en/clamping-technology/series/rota-nck-plus/

 

[utterstan]

I have boogered 4 jaw maybe i I could use the jaws from it too make yours work.