Thera Band Resistive Exercise Tubing 25 Ft. Green Jobst Mens 8 15 Athletic Sock 8 CM * Depth: 5 8975 8 CM * Depth: 5 5 * White * Please note that a counterweight is available (model 3P7039X ) for the 350# models only which were made sometime before April '04 * There is no counterweight available for the upgraded 400 lb 25 FOOT PATIENT ROLL * Medium Green * An excellent tool for hand rehabilitation * Available in seven levels of resistance * Made of natural rubber * Thera band colors increasing in difficulty through seven levels from tan to silver * The color coding system provides positive reinforcement and feedback for gauging results *