Head Material: Kolinsky Sable 

Handle Material: Crystal+Metal                                               

100% brand new and high quality, perfect for professional and personal nail salon 

This brush with a round flat head,and the head was crimped which make it become the most perfect brush for gel builder.

Brushes made of Kolinsky hair are widely known to be the finest available, offering spectacular artificial nail-fashioning results. 

This brush is round,which was crimped at the base of the brush, which makes a flatter belly while still maintaining a tapered point for precision and control.