The Powerball Sports Pro is an entry level model, ideal for anyone looking to obtain a great arm workout! It???s perfect for rehab, strengthening, toning, and exercise. The Powerball Sports Pro gyro uses resistance force to generate up to 35 pounds of torque and 13,500 RPM and is the ideal product for anyone looking to improve dexterity, strength, coordination and accelerate healing time. The Powerball Sports Pro Gyro is packaged with the gyro training CD and starter cord.