Not a big fan of the different wool pads. The 4000 series is okay at best...
The So1o yellow and marron pads are nice, but wear very quickly. Infact I need to get a hold of
Meg's and see if I can get replacements. From the first use, both pads seem to shed fromt the center out, and have probably lost 20 percent of more of the wool (from the center-out). Its very wierd.
I haven't tried the double sided pad yet, but I think its the same as the 4000 series.