It features a plastic shell and a stainless steel rotor shaft, providing a smooth, vibration-free spin that can reach over 15,000 rpm.

• FREE ACTIVATION - Discover the free start technology and forget about secondary elements. You can take it anywhere and have a complete arm workout, focusing on essential muscles for your sport (biceps, extensors, flexors, brachioradialis...). Train and strengthen grip, wrist, and forearm muscles.
• YOU CONTROL THE POWER - You can generate up to 15 kg of resistance and develop muscle anywhere, as it weighs only 280g. You determine the spinning speed and consequently the resistance.
• COMPATIBLE WITH REHABILITATION - You can use ZOOWERBALL as a rehabilitation method because at its slower speeds, you can gently strengthen muscles and in certain cases alleviate pain from injuries such as carpal tunnel syndrome, tendonitis, tennis elbow, and scaphoid fractures.
• PERFECT FOR SPORTS - It's the ideal complement for sports where the arms require well-developed muscles, such as climbing, tennis, golf, and many other sports that involve arm and wrist movements.

Wrist gyro exercisers strengthen fingers and wrists, enhancing a powerful grip and improving finger dexterity, making the ZOOWERBALL an essential item for all athletes.