- Are you still using inefficient and dangerous fitness equipment ?1. Common Spring Power Twister：Can't adjust the resistance and the Spring is prone to break after prolonged use, that's very dangerous. 2 .Common Chest Expander: The exercise effect will be greatly reduced because your arm is not fully open, then the spring in the middle will easily pinch youself.You should select a safer and more effective fitness equipment for yourself！！！- Features:1. High quality carbon steel, and the double spring design make the spring to not shrink too much during your workout, avoiding pinch injuries.2. Adjustable resistance strength, meet your different exercise needs, making the exercise more effective.3. Unique triangle golden ratio support, keep the power twister stable when you workout and keep you safe.4. Portable upper body workout fitness equipment: Develop your grip and build strength in your fingers, wrists, forearms, rear arms, chest, shoulder and back.- Package Contents：1 x Multi-function Arm Exercise Chest Expander with Adjustable Resistance1 x Instruction Manual - Perfect After-Sale ServiceIf you have any product related questions, please feel free to contact us and we will get back to you within 24 hours.Package Including：- Click “add to cart” and get your own Power Twister and start your new workout journey to build your shape.
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