the above shapes 
within that line. The sizes are numbered, but the numbering is very inconsistent 
from brand to brand. About all you can be sure of is that within a shape within 
a given line, higher numbers are bigger. But what one company calls a #6 round 
might be a #9 from another company. And even within a single line, a #8 filbert 
might be much larger than a #8 bright. So it is unfortunately difficult if not 
impossible to give advice on brush size.</p>
<p>The one piece of advice most educat