Experience a new way to strengthen your grip with this brass hand exercise ball, crafted in a smooth twelve-sided design. This unique hand strengthening equipment features copper balls that rotate on every facet, offering all-round finger exercise and sensory stimulation. Ideal for fitness enthusiasts looking to enhance grip strength during office breaks or home workouts, it also serves as a stress-relieving handball exercise toy. Features -Color:Multi -Material:Brass -Size:5.00X5.00X5.00cm/1.97X1.97X1.97in -great brass construction: crafted from solid brass, this hand exercise ball is built for use and provides excellent grip strengthening performance for daily fitness routines -Twelve-sided rotating design: the unique twelve-sided structure allows all faces to rotate, offering versatile finger exercise ball movements to improve flexibility and hand coordination -Stress relief companion: acting as a brass hand exercise ball and hand stress ball, it helps reduce tension during work or study, making it great for both office and home environments -Portable fitness tool: this compact fitness ball suits comfortably in your palm, enabling easy hand strengthening exercises anywhere, whether traveling, working, or relaxing -Enhanced rehabilitation: the copper sensory balls and hand balls for therapy design allows rehabilitation training by helping to restore hand strength and dexterity after injury Package list: 1 x fitness ball