5-60Kg Adjustable R-Shape Hand Grip Strengthener ExerciserAdjustable Hand Strengthener range: Strong and long-lasting with a durable stainless steel spring and easy to adjust resistance range for long term improvement.You can adjust the strength from 5-60kg tension by turning the black rotary knob to suit your level,firstly you can take it slow and then go hard on yourself,Step by step to increase your hand grip strength.Special and ergonomic Design : Ergonomic design ensures that the hand grippers are comfortable,smooth and enjoyable to use.The hand exercisergrip strengthener comes with powerful rubber grips for a Strong Hold. Soft-grip, eco-friendly handles and fully adjustable features make our hand exercisers suitable for both men and women for training and rehabilitation.Easy to carry : Small, exquisite, lightweight and portable, you can take your new strengthening companion anywhere you want and carry it with you to exercise.convenient and portable Hand Grip for easy use in any environment by men, women, senior citizens and teens.especially suitable for the elderly, the office crowd and sports enthusiasts.Excellent training tool: An excellent training tool that strengthens your hands, wrist and forearm.Build strength in your hand, wrist, fingers and forearm with hand grip strengtheners. Suitable for training, exercise and rehabilitation at home or on the go, these popular hand grippers are ideal for athletes, rock climbers, musicians etc.