Thera-Band FlexBar, one of our most popular products and now seen by over 30 million people in Reader's Digest, USA Today, and The New York Times.;The Thera-Band FlexBar is great for athletes, musicians, painters, gardeners, kayakers, rock climbers, and others!;Consumers, patients, and professionals are seeing the value and efficacy of the FlexBar, a lightweight, easy to grip, portable resistance exerciser for rehabilitating and strengthening hands, wrists, forearms, shoulders and elbows.;Each bar is 12 inches long, with resistance levels that increase with each of four available color-coded diameters.;Oscillation exercises are frequently paired with the FlexBar, which are helpful for activating various muscles and can vary based on oscillation direction.