<p>Unique and innovative design: Our finger strength exercisers feature a unique eagle claw design with 5 separate buttons corresponding to your fingers, the right distance between the buttons, ergonomic, and help you exercise the strength, flexibility and endurance of each finger and palm, increasing the strength of the five fingers.<br/>High quality material: The finger grip training equipment is made of ABS material, three layers of soft paint finish, smooth and easy to wear, comfortable to feel. Each finger button is covered with soft glue made of TPE material, which ensures the comfort of fingers when moving, and does not feel very hard.<br/>Built-in high quality spring: Each finger key of the forearm strength builder is equipped with a high quality carbon steel spring with a tension of up to 45 kg /99 lb, effectively exercising your hands. Each spring can be smoothly pressed, automatic rebound, will not be stuck, because there is lubricating oil inside, to ensure smooth use.<br/>Multi-functional use: This finger strength booster provides you with a variety of training methods to support your 5-finger training, 4-finger training, close-fitting training, training in place and effective. In addition to this, it can be used for injury recovery, stress relief, or any other activity that uses grasping muscles.<br/>Easy to carry: The single-finger grip enhancer weighs only around 0.19 kg / 0.42 LBS and measures 12 x 11 x 7.5cm / 4.7 x 4.3 x 2.9 inches, so you can carry it with you wherever you are, at home, and you can use it at work or even relieve stress during your daily commute. Ideal for training grips as rock climbers, guitarists, drummers, wrestlers or softball pitchers.</p>