Bianyo Classic Series A and B are the different package. They have Broad chisel (1-7mm) and fine point( 0. 7mm) nibs. Bianyo Professional Series are Broad 1-7mm. Super Brush 1-5mm. This flexible brush nibs imported from Japan.

Bianyo 72 Colors Classic Series
Bianyo 72 Colors Brush Series
Bianyo 36 Colors Classic Series
Bianyo 168 Colors Classic Series
Bianyo 72 Colors Classic Series- Purple Canvas Bag
Bianyo 72 Colors Pastel Series