ALIXIN-Forearm Wrist Arm Flexor Exerciser Strength Strengthener Training Tools,Heavy Duty Carbon Steel Spring,Wide…

[Fashion appearance, adjustable resistance]: The speed arm is black painted with diamond texture, which is a combination of sports and fashion, and adopts a receptor design, which is convenient to carry, and is a good choice for home travel and fitness
[High-precision adjustable resistance]: The speed arm can adjust the resistance and the resistance is more detailed, which can meet a variety of requirements. Ergonomics, exercise arms, muscle coordination and athletic ability
[Stimulate muscle groups and grow regularly]: The intelligent resistance increase button can stimulate the regular growth of muscle groups. One dumbbell can meet the training needs of different heavy dumbbells.

Fitness devices: Unlike traditional gyroscopic hand exercise balls, auto start technology, no batteries and rope required, so you will never worry about losing the rope
Compact design: small and portable, super flexible and can be taken anywhere – perfect for short training on the go, it remains efficient, safe and quiet during training.
Operating principle: thanks to a concentrated and dosed movement of the l in the hand, the rotor can be “taken on tours”: the higher the speed, the heavier the hand trainer is due to the resulting forces