Item is used but in great condition.DFX Powerball Sports Pro Gyro Exerciser is a perfectly balanced gyro capable of reaching speeds in excess of 13000rpm, all powered simply by hand. It aids in the prevention and elimination of carpel tunnel, arthritis, tendonitis and tennis elbow and many other Repetitive Stress Injuries RSI. Can increase grip strength, range of motion and strengthen arms, elbows and shoulder muscles.
