This 7 inch hook-n-loop WOOL Buffer wheel was purchased in conjunction with the Klutch buffer unit.  Make sure if you purchase a buffer, it has the 5/8" dia. arbor, you will be able to buy disks and pads anywhere.  Definately get the hook-n-loop system, it will save you lottsa time and aggrivation in setting up and changing over the pads.  This wool buffing pad is really heavy duty, with a curved outer edge to eliminate the possibility of burning the the paint.  The pad cleans up easily, even if you use an old fork to clean the compound off.  There is a little wool blow-off, but thats common with a new wheel.  With the right compound and care, this Wool pad will last thru years of service.