2-in-1 Design : works on the strength and dexterity of fingers, hand and forearm at the same time. Suitable for different people and different hand shapes. It's easy to work out at home, at the office or anywhere Adjustable Resistance : Add a counting feature so you can better understand your training progress. Simply press the button firmly to count automatically. Press and turn the button to clear the number Exercising Grip Strength : This grip trainer is perfect for musicians and athletes to build hand strength.Perfect for improving forearm, wrist, finger, hand strength and flexibility as well as muscle building Compact and Portable : Hand gripper is made of lightweight and high-quality materials, which is very suitable for carrying out. You can start grip training anytime and anywhere