ns eash finger individually and conditions the hand, wrist and forearm. Gripmaster features a ergonomic plam bar for comfort, stainless steel springs, an exercise program and was awarded 2 patents.
Build strong hands, wrists & forearms for great hitting. Used by professional baseball players. Patented hand exerciser strengthens each finger individually. Get valuable hitting tips from a major league baseball player & world series champions hitting coach. Recommended for ages 16 and older.