I have extremely dry feet and the #11 the tough buffer is fabu!!! I use it once a week and it's perfect for inbetween pedicures at my nail salon. I talked my mother into buying one too!

This thing is amazing! I have used all kinds of buffers on my feet and they don't seem to do much good. However, this one is great, gets off all the dead skin and makes your feet soft as opposed to roughed up! Totally worth the price because it really works!