cross-border weasel's hair delineating brush nail brush painting drawing edge hook oil painting brush student art traditional chinese painting hook pen suit

no. 1 no. 2 no. 3 no. 4 no. 5 no. 6 no. 7 (maximum) no. 0 no. 00 no. 000 00000 (minimum) 9 pieces suit (no. 000-6) 10 pieces suit (no. 000-7) 11 pieces suit (no. 000-7)

dark blue