Product Specifications: With Counter A new fitness item which was developed under the latest scientific field of therapy. It is the great fitness and relaxing item You can exercise your hands, wrists and complete arms with it and also have fun. A ball roates with up to 14000 roations per minute inside Exercise with it you can improve your muscle condition and competence of Coordination. Further you can use it as a relaxing item, while you rotate it slowly. With the computer shows the rotations per minute(RPM)
