Simpson 56 vs. Special in Best

[awa54]

Anyone out there have both of these? If so what differentiates these two brushes that are so similar if you just go by the numbers?

 

[beginish]

The 56 has a much more dense knot.

 

[awa54]

wow, it's not like the Special is any slouch in the density department!

 

[Chadao]

+1

wow, it's not like the Special is any slouch in the density department!