360° Rotating Wrist & Forearm Trainer — Gyroscopic Grip Power Ball

Build serious grip and forearm strength with the 360° Rotating Wrist & Forearm Trainer — the gyroscopic power ball everyone's talking about. Spin it up and feel your wrists, forearms and grip work instantly.

• Auto-start gyroscope — no batteries required
• Builds grip, wrist and forearm strength fast
• Great for lifters, climbers, gamers and rehab
• Compact, satisfying and genuinely addictive to use