Endorsed by John Woolsey, World Champion Arm Wrestler!
In all sports, forearm and wrist strength is the key to getting a strong and powerful release. Whether it is golf, tennis, baseball or any other sport, your forearms and wrists are the last groups of muscles responsible for developing head speed and power. Using the PowerBuilder™ daily will help to strengthen these muscles and deliver more power than ever before.
The PowerBuilder™ is also a very effective stretching and general resistance training tool. With our series of exercises, you will develop more strength and flexibility to excel in any sport you choose.