Slanting or cut liner pure Kazan squirrel hair in natural quills standard sizes No. 6/0 to No.10 Since its discovery during the 17th century, painted porcelain has always been collected fervently. And for many refined people, painting porcelain means some sort of beneficial happiness. They prefer the same models which are used in the china industry. Please notice that with this traditional product line the smallest sizes (i.e. No. 7/0) represent the largest quills diametre and consequently the large numbers (i.e. No. 10) stand for the smallest brushes of each series.