Twister Arm Trainer Adjustable U Shaped Chest Back Expander …, Singapore

7 reasons why you should choose us:

2.3 levels of adjustable resistance: 20/30/40 kg and 25/35/45 kg
-Imported silent springs, no disturbance to family even when exercising at night; high-density foam grip, non-slip even when sweating
-Developed by senior fitness coaches, fits human mechanics, no injuries for beginners, no fitness foundation required
-No complicated installation, ready to use out of the box, can be set up in 10 seconds, start exercising immediately. Do 10 sets a day, 10-20 reps per set, equivalent to 50-100 barbell presses, more efficient. Chest circumference increases by 3 cm, arm circumference increases by 4 cm within one month
-Onedevice = dumbbell + rowing machine + low pulley cable machine + seated butterfly machine + crab abdominal wheel + resistance band, one-time payment, multiple functions, can exercise most muscle groups of the whole body