Excellent ABS: The handle reinforcement is made of high-quality, strong and rigid ABS material, which can effectively exercise the arm while improving flexibility. Stress relief: The grip strength trainer can energize the hand, eliminate fatigue and promote sleep. It can be used anywhere, including in the office, at home and on the couch. Fist Exercise Function: Wrist strength trainer with healthy effect, has a certain auxiliary effect on the upper extremity and shoulder, helps injured athletes. Helps reduce tension and train arms and fingers. Multi-function grip strengthener: The grip strength trainer can effectively improve the grip and hand strength, and rapidly develop the wrist resistance, aid, two-headed, three-headed, ligaments and shoulder strength muscle. Office worker use: wrist support is suitable for office workers, improve abdominal pressure and fatigue symptoms. The handle is portable and easy to use. You can play sports anytime and anywhere. Because it is small and portable, you can exercise anywhere you are. Strengthen your arm while watching TV or on your desk at the office when you need to stretch your wrists.