Finger Exercise Device with Counter Adults Guitar Wrist Amplifier Black [Suitable for all]: The handle strengthens the grip of the forearm, improving strength, power and speed in the wrists, fingers and forearms. Without a doubt, this may be the best choice for climbers, tennis players and athletes, and also increases the flexibility of the fingers and wrists. [Comfortable and Durable]: The wrist grip is suitable for small and large hands, seniors and teenagers, but also provides a comfortable hold. The resistance of the hand grip enhancer is ideal for both men and women of different strengths. [Adjustable]: This forearm exercise device is equipped with a regulator that can be easily adjusted from 11 to 132 pounds and equipped with a counter, easy to record training goals. [Compact and portable]: size: 11 cm x 16,8 cm or 4,33 inch x 6,61 inch, easy to carry and use anywhere: at home, workplace or on the go. [Great Gift]: It's the perfect gift choice for someone who is an athlete, golfer, boxing, drummer, guitarist, pianist and more. Specification: Material: PP, steel The package includes: 1 hand gripper Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.