Karin By Da Vinci Tobolsky Kolinsky Red Sable Round Watercolor Brush series 12T5 (FD12T5)

Karin By Da Vinci Tobolsky Kolinsky Red Sable Round Watercolor Brush Series   

Siberian Kolinsky red sable hair 

So-called silver ferrule 

Short black polished handles 

Standard sizes No. 5/0, 3/0, 2/0, 0, 1, 2

Packaged in a strong, transparent plastic tube

It is used in Illumination art as a drafting (Tahrir) brush.