Which is a larger version of the " SLIM" from the original set. The five speed is basically a #5 script / scroll brush as the slim was basically a #3 or so.
Which is a larger version of the "LIL BIT MORE" ... it's a little longer and fatter so it has a ton of uses... seriously.
This is a completely new brush... it is Amazing for outlining, details, med. to long lines within an illustration.