ARIZONE 40Kg Power Twister Spring Exerciser Arm Muscular Train Flexible Stretch Bendy Bar …

[Safety micro-rebound]This Arm Exerciser Hydraulic Power Twister uses micro-rebound technology instead of violent rebound. It is safer to use and can avoid hurting yourself due to violent rebound during exercise.
[20-200kg adjustable strength training] Upper body strength training equipment that can adjust the resistance, the adjustment range is 20-200kg, which can meet your strength training needs at different stages. This is the biggest disadvantage of the old spring arm. You can focus on muscle training from start to finish. Whether you are a beginner or an advanced user, this is a muscle training arm that you can easily choose.
[Safety in use] There is a buckle at the bottom of the handle. When opening the package, please hold the handle with both hands and use your thumb to remove the buckle before use. After training, close the handle with both hands and fix the handle with a buckle, which is convenient for storage and saves space.the handles of this tool are made with PU soft rubber to guarantee a slip-resistant and comfortable grip

【Strength Chest Expander 】The portable pedal exerciser is lightweight, easy to carry and store. You can use spring exerciser at home, at office, hotel, gym or on the trip, wherever you need it.
【Adjustable Strength】There are five springs, the tension force of each spring is 147N, and the total is 735N. The number of springs could be increased or removed according to the strength required by the individual to increase or decrease the strength of the force.
【Premium Material】Spring material is made of carbon steel with excellent elasticity, strong and durable, not easy to deform, long service life. It has steel coil pull-up rod and non-silp PU handle. The handles and pedals are made of engineering plastics, high strength and wear resistance, which is suitable for any level of strength training.