Adjustable Power Arm Twister

Adjustable Power Twister allow different resistance strength by rotating the knob left or right
One button adjustment intensity
Easily adjust 1-25 level resistance, gradually increase resistance to achieve muscle strengthening
Three-function LCD display-monitor your times and calories, muscle training
Reduce arm fat, abdominal fat, and increase the gathering effect of the chest
Perfect for reducing fat and weight and increase strength training
The unique golden ratio triangle structure, make the arm trainer more load-bearing capacity, always keep it in a stable state