TKO Achieve Dual Ab/Lower Back MachineDescription TKO Achieve Dual Ab Lower Back Machine Core & Back Strength in One The TKO Achieve Dual Ab Lower Back Machine is designed to target both the abdominal and lower back muscles in one efficient, space saving unit. Whether youre looking to strengthen your core or improve lower back stability, this machine provides smooth, controlled movements to help you reach your fitness goals. Built with a compact design and a 170 lb weight stack, its