Product and Price Comparison

Product Information

Dynaflex ProThe faster it spins, the stronger you get. Small wrist movements cause the balanced rotor to spin faster and faster. Develops up to 35 lbs. of gyroscopic force. Starts spinning easily with included starter cord. Strengthens grip for tennis, golf etc. Great for easing wrist strain. Dynaflex's all-new Pro, easily gets going with one quick pull of its starter cord. Subtle movements of your wrist cause the balanced rotor inside the Dynaflex Pro to spin faster and faster. As maximum rpms approach 13,000, it develops up to 35 lbs. of gyroscopic force. The progressive resistance strengthens the muscles of your fingers, hand, wrist and forearm to relieve tension, improve coordination and strengthen your grip. Measures 2 3/4" across and 2 1/2" high. Made of high-strength polycarbonate. One-year warranty.