Develops strength and endurance to
  maintain a relaxed grip throughout the game

  Improves your ability to volley at the net

  Develops wrist strength for
  increased bat speed and control

  Increases strength to keep
  your wrist straight and
  your hand behind the ball

"Strength and endurance of the grip, wrist and forearm are not only crucial for the performance of athletic activities, but also beneficial to everyday activities. ProPower offers a convenient way to increase strength and improve performance."

Also Builds Strength For

Adjust the resistance as you exercise Torsional resistance from heat-tempered spring steel Lifetime warranty-repair or replacement Manufactured from recycled plastic