Features 1、Exercise abdominal muscles, pectoral muscles, arm muscles, biceps. 2、High-density webbing safety rope cover, comfortable and safe, ABS engineering plastic handle. 3、Spring folding handlebar, or spring expander, is a steel bar with a traction spring in the center and two handles covered in rubber or plastic at the ends. easy to carry tool as it has short length. 4、Very useful to training your biceps, some of the exercises that we will see are at least as effective as those performed with expensive and bulky machines commonly found in the gym. 5、Bar pull, grip the bar by the handles, lift it above the heads and then bend the elbows so as to bring the tool behind the head. Bring the elbows in front of you, join the ends of the bar together so that they meet behind the head. Hold for three seconds before slowly releasing tension. Perform 3 x 10 reps of bar-pull. 6、Bends downward, with grip of the bar in front of you, with hands facing downwards. Rotate your wrists and slightly flexible your elbows to effectively push down with both hands and try to bring the ends of the trainer as close as possible. Hold the push-up for three or four seconds before returning to the starting position. Complete 3 sets of 10 reps. Condition: 100% brand new Item type: Spring Power Exercise Bar Material: spring steels Color: black Optional type: 20KG, 30KG, 40KG, 50KG, 60KG Usage: 1. Standing, legs separate, right elbow bent, left hand bent spring, then left elbow bent, right hand bent spring; 2. Straighten your arms upwards, bend the spring, and then gradually relax, repeating several times. 3. Bend the spring forward and gradually relax 4. The body bends downward, and the arms bend the spring. 5. With both arms behind you, hold the spring tightly and then straighten it to gradually bend the spring. 6. Persist in exercise, the bodybuilding effect is remarkable. Package List 1 x Spring Power Exercise Bar