SUITABLE FOR EVERYONE: The hand grip strengthener the forearm grip improving strength, power, and speed in the wrists, fingers, and forearms, it enhances the flexibility of fingers and wrists.COMFORTABLE AND DURABLE: The wrists grip strength trainer is fit for small, and large hands, kids, teens, and adults, but also ensures comfortable holding.ADJUSTABLE STRENGTH: This forearm exerciser comes equipped with an adjuster, which can be rotary adjusted from 5kg to 20kg easily; Anti slip TPR grip, soft and comfortable to grip.COMPACT AND PORTABLE: Size: Spacing adjustable: 5cm-9.5cm/1.97inch-3.74inch, Height: 13.5cm/5.31inch, Easy to carry and use anywhere: at home, or travel.GREAT GIFTS: The resistance of the hand grip strengthened with different strengths. This is a perfect gift choice for kids who a sports, golf players, boxing, drummers, and much more.Specification:Material: ABS, SteelSize Chart:Width (Adjustable): 5cm-9.5cm/1.97inch-3.74inchHeight: 13.5cm/5.31inchPackage Includes:1 Hand Grip Strengthener