Unleash immediate forearm and grip power with the Wrist Ball Trainer Gyroscope—a self-starting, vibration-free device delivering up to 61 kg of resistance in a compact 7 x 7 x 5.5 cm frame.
Automatic start design: push the core in the direction of the arrow to start via the internal spring, making it easy to begin each session.
Vibration-free rotation that maintains momentum; rotor spins at about 1500–3000 rpm as you increase speed.
Portable and versatile: compact enough for office, gym, or home use; doubles as a stress-relief toy and an active arm workout tool.
Strengthens fingers, wrists, hands, forearms, biceps, triceps, ligaments, and shoulders while improving blood circulation; includes Wrist ball and Wrist rope for a complete setup (size 7 x 7 x 5.5 cm; resistance up to 61 kg).
