The Dual Grip Gyro allows training and strengthening of the hand and forearm muscles with both arms simultaneously. One minute and you'll be pumped guaranteed! You have to try it for yourself!
Long-term use of the wrist ball will effectively exercise the muscles of the entire arm, help relieve muscle soreness and strain caused by long-term use of the wrist and arm, and also help fitness enthusiasts carry out targeted arm strength training.
Features:
self-starting device metal core Variable speed lights
