this is nail kolinsky brush, polyster handle, be made of kolinsky hair, stainless handle, cooper ferrule, we have tie size from 2#,4# to 22#, customized are welcomed. If you are interested in them, pls feel free to Any question, pls feel free to contact with us.
Waiting for your favorable reply and hope we have good cooperation in the long run.

All the best!

Parken