Wrist Force Ball/ball box Alloy Steel Massage Fitness Beauty and Grip Strength Bball Can Relieve Fatigue Throughout the Body 💪Auto Start Design: Our gyroscopic hand trainer requires no tools, just a twist of the wrist to start and the workout can begin immediately. Very convenient, simple and practical 💪Start your workout quickly: This wrist trainer ball is compact and easy to carry. You can use the wrist trainer ball at home or in the office in your free time. It's a great way to keep your wrists active and healthy! 💪HIGH QUALITY: Our wrist strength ball consists of a robust plastic housing with a stainless steel shaft, which gives it stability and resistance to breakage. Strong and durable, not easy to damage. 💪Strength Training: Our gyroscopic hand trainer builds your wrist and finger strength, working into your shoulders and arms. Moderate exercise keeps the body fit 💪Wide range of applications: Our gyroscopic hand exerciser is ideal for people who want to train their arm and finger strength. When you work on the computer, you can use it to move your wrists and arms and avoid work-related injuries. Black packaging box----Please note that this option only has a ball box and no wrist ball!!

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