[Enhance Grip Strength and Strength Recovery] 5-100KG (11-220Lbs) adjustable hand grip strengthener is perfect for strengthening the strength of hands, forearms, wrists and fingers. It is simple and efficient, helping to strengthen grip, relieve stress and improve endurance. You can exercise at home or in the office in just 5-15 minutes a day, and the portable personal home gym is perfect for athletes, musicians, rock climbers, tennis players, etc. [Easy to Use and Count] A mechanical counter is added to the end of the hand strengthener. Automatically record the number of times you train every day, rotate the button to reset the number to zero and reuse it. Each time you press the button, it counts, and then rotate the button to reset the number, helping you get a better training progress [High-quality materials] Our hand grip trainer is made of high-quality alloy steel and PP heavy-duty plastic materials. PP heavy-duty plastic will not break, and high-quality alloy steel will not rust. Our hand gripper is strong and durable, will not damage your hands and fingers, and brings you an excellent user experience [Ergonomic design for everyone] The ergonomic and soft handle of the hand gripper is suitable for women or men, children or adults, beginners or experienced people, whether you have small hands or big hands, the hand gripper can ensure a comfortable grip. This forearm strengthener is undoubtedly the perfect choice for rock climbers, tennis players, athletes and musicians to enhance the flexibility of fingers and wrists