Hand Squeeze Amplifier Gym Arm Fingers Expander Hand Squeezer Finger Exercise Grey Description: [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]: The wrist holder is suitable for small and large hands, seniors and teenagers, but also provides a comfortable hold. The handshake amplifier resistance is designed for both men and women of different strengths. [Adjustable and Non-slip]: This forearm exercise device is equipped with a regulator that can be easily adjusted from 10kg to 40kg. High strength spring, solid i. TPR handle has good flexibility, anti-slip and comfortable grip. [Compact and Portable]: Size: 8,5cm x 15cm / 3,35inch x 5,91inch, easy to carry and use anywhere: at home, in the workplace or on the go. [Great Gift]: This is a gift choice for someone who practices sport, golf, boxing, drummer, guitarist, pianist and more. Specification: Material: ABS, steel Size Chart: 8,5 cm x 15 cm / 3,35 inch x 5,91 inch The package includes: 1 hand gripper