【PREMIUM QUALITY】Our grip strength trainer is made of PP, ABS and spring steel, safe, environmentally friendly and durable. , 【CONVENIENT OPERATION】Can eliminate and relieve anxiety by pressing and pinching. The maximum strength of 60 KG can be adjusted to make your blood circulation smooth. , 【LIGHTWEIGHT AND PORTABLE】Grip strength trainer can be put in your pocket, no matter where you are, without installation so you can start exercising anywhere. , 【WIDE RANGE OF USES】Our grip strength trainer can be used to train grip strength, wrist strength, forearm and palm, suitable for men, women, young and old, and everyone who loves sports. , 【QUALITY COMMITMENT】We have been pursuing perfect product quality. If you have any dissatisfaction during use, please contact us and we will help you 24 hours a day.