Strengthen and tone your body with the help of the Stott Pilates Fitness Circle Pro. The Fitness Circle Pro is a 12-inch Pilates ring that helps you maintain the body alignment needed for effective training. Made from steel, the ring fits against your body where you can grasp it while exercising. Hold onto it to keep your body in position while you work on whatever muscle group you wish to train. The non-slip handles makes it easy to hang onto while you complete your workout.