Thanks to the j/fit Fit Stretch Stretching Aid, the act of stretching doesn't have to be such a pain. Ideal for rehabilitation of the ankle, Achilles tendon, or calf, the Fit Stretch allows dynamic stretching of the lower leg with its innovative rocking feature. Dimensions: 6L x 4W x 11H inches. About j/fit J/fit is committed to providing high-quality fitness equipment at reasonable prices. The selection has expanded from 10 products to over 300 in order to meet the needs of the marathoner, the beginner, and everyone in between. The fitness world is constantly changing, and j/fit aims to be on the forefront of the latest technology at each juncture.