[💪 ADJUSTABLE RESISTANCE] – The resistance can be adjust by rotate the knob, simple and convenient. The range is 22-400 pounds, 1-25 levels. You don’t have to buy a new one when your strength level goes up. It can be applied to all stages of arm strength training enthusiasts. Turn the knob to the left or right to increase or decrease resistance to meet your needs during different training stages and accompany your entire fitness career.
[💪 HYDRAULIC PRORECTION]- It is very dangerous to use Spring Power Twister because springback is violent and fragile. The middle spring can be easily pinched. The spring is fragile even if used for a long time. Discard the Spring Power Twister. There is no risk of spring damage. Does not rebound or hurt.
[💪COMPLETELY SEALED HYDRAULIC CYLINDER ] -Unlike other spring-based practitioners, it uses a completely sealed hydraulic cylinder that provides stable resistance and does not weaken over time. Due to the principle of our unique safety hydraulic adjustment system, changing the resistance does not change the arm opening angle and the motion track aslo does not change, so there is no need to change it. Arm movements, and more, can open arms completely to reduce resistance.
[💪 EASY TO USE AND STORAGET ]he bottom made of ergonomic PU handle, which is wear-resistant and non-slip, and has a comfortable grip. There is a buckle on the bottom of the handle, very convenient to storage, when opening the package, please hold the handle with both hands, use your index finger to open the buckle, and you can use it.
[💪 SAFETY & STABILITY] – The unique golden ratio triangle support will always keep the power twister in a stable state to ensure the safety for using. As a fitness equipment chest expander, it is more competent than others.