Dfx Sports Fitness (1 to 2 of 2)
The patented Platinum Powerball increases grip strength and range of motion, and can also condition arm, elbow and shoulder muscles to help you recover from hand or arm injuries.
The Gyro Exerciser generates up to 35 lbs. of torque as it spins in your hand, offering a great hand and wrist workout. It's perfect for rehab, too.