An awesome addition to your hook and loop conversion system, this flex adapter has the capability to convert any disc sander into an extremely durable cushioned sander that will contour around any round over, chair leg, table edge or anything with shape and not leave flat spots. With the use of our hook and loop conversion discs, or an existing sander with a hook and loop system, you can make use of this remarkable product. Basically, it's a double density foam pad with hooks on one side and loops on the other.