This is a really awesome set of bases for a high quality board. I had just read "Anatomy for Runners" (highly recommended for any and all runners serious about improving form and biomechanics), and Jay Dicharry (the author) talks about the place for rocker boards/ balance boards for improving strength (and of course, balance). The board pictured in the book is the Vew-Do Zone, which was where I started my hunt for a balance board. I loved how it had three bases.Vew Do is however out of stock of the Zone board until next year, and I was very eager to get started on implementing this supplemental training to improve my runner. I spent over 6 months this year sidelined from running because of a knee injury. I thought I just had bad knees, but reading Anatomy for Runners helped me see it was more about my form and underlying weaknesses. So investing in a high quality training tool was very worthwhile to me.This FIT board I have found to be a high quality product. Unlike some boards (like for instance those by Vew-Do), the bases do not lock onto a railing system under the board. This makes it more versatile in my opinion.I use the rocker base for ankle strengthening as well as squats, the wobble platform also for ankle and foot strengthening. The rolling platform is really a blast, and has already improved my balance a lot.You can really get a great workout with this board as well. I haven't fully explored the uses of a balance board outside of those specific to runner strengthening, but I know there are many. It would benefit any athlete I am sure.This company has really great customer service. I highly recommend this product, and think you get your money's worth with the three different bases. Most boards only have one, but truly all three are useful!