The pull-down fitness machine is good for strength training exercises that are designed to develop the latissimus dorsi muscle. It performs the functions of downward rotation and depression of the scapulae combined with adduction and extension of the shoulder joint.4-position adjustable of the foam rollers to fit your height and lock you in position for high pulley let work. The rollers will prevent your body from being raised by the resistance attached to the bar. 4 positions to adjust the seat height to meet personal requirements. High and low pulley stations are perfect to work your biceps, forearms, let, shoulders, traps, and triceps in a safe and efficient manner. The pulldown machine develops upper body strength while simultaneously strengthening the biceps, latissimus dorsi, and rear deltoids in the pulling motion. Heavy duty steel construction and a stable non-slip base. Simply assemble required. All the necessary hardware and instruction are included.