Adjustable Power Twister

💪[Upper Body Muscle Training] Applicable to all upper body training, such as upper arm, back muscle, triceps, deltoid and pectoralis major muscle training. Can provide comprehensive upper body strength training. [Size]: 42.8cmx16. 6cm, [weight]: 2.3kg. 💪[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 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. 💪[Safe and stable triangular structure] The triangular structure is more stable. Due to the dispersion