This wrist strength ball is for those looking to improve their grip strength and forearm endurance. The self-starting mechanism makes it easy to use without any additional tools. Just give it a , and the internal gyroscope will start rotating, providing resistance that helps in strengthening your wrist and forearm muscles. It's an excellent tool for athletes, musicians, and anyone needing hand therapy or rehabilitation from injuries like carpal tunnel . Features -Color:Black -Material:Plastic -Size:7.50X7.50X5.50cm/2.95X2.95X2.16in -Easy to use: the selfstarting feature of the wrist ball ensures that you can begin your workout effortlessly, without the need for any additional tools or setup -Multipurpose: this wrist ball is for a wide range of activities, including grip strength training, forearm exercises, and wrist strengthening -Portable fitness: with its small and lightweight design, you can easily take this wrist ball with you to the gym, office, or while traveling -Enhanced performance: regular use of the wrist ball can significantly improve your hand and wrist strength, making it beneficial for athletes and fitness enthusiasts -Benefits: ideal for hand therapy, this wrist ball helps in the rehabilitation of injuries and conditions like carpal tunnel , promoting faster recovery Package list: 1pcs wrist ball