GYMSTICK Lightweight hand trainer

The adjustable handle Gymstick is ideal for strengthening your hands, wrists and forearm muscles. This device is perfect if you need a strong grip for your work, want to improve your performance in a particular sport or simply want to increase the strength of your grip. The resistance of the "Strong" grip can be effortlessly adjusted between 5 kg and 20 kg, simply by turning the adjustment knob.