Improves grip strength and strengthens hand muscles: This grip strength device is designed for people who want to strengthen their hand muscles and improve their grip strength. It is made of highly elastic nylon, which provides enough resistance and can be adapted to different training intensities and hand positions. Using it, you can enhance your hand strength, improve the contours of your arms and wrists, and give your upper body a more graceful line.Improve hand circulation and enhance exercise effect. Using the grip strength machine can stimulate hand muscles, improve hand blood circulation, relieve hand fatigue and prevent hand injuries, especially suitable for office workers who use computers for a long time, handicraft enthusiasts, ball enthusiasts, rehabilitation training and other people. It can also be set to challenge mode, allowing you and your friends to compete with each other and cut grip strength.Safe and reliable, non-slip and ultra-comfortable. This product is made of environmentally friendly, durable and safe materials, after many rigorous tests, there is no damage, fracture and other safety hazards during use, so you can rest assured that the fitness. Grip strength device design simple and generous, in line with the mechanics of the human palm structure, feel comfortable, non-slip grip super strong.Multi-scene application, training anytime, anywhere: This grip strength device is compact, lightweight, easy to carry, ideal for use in the office, home, outdoor and many other occasions. Whether you are in a meeting, watching TV, or waiting for a bus or taking a break, you can use this grip strength machine to exercise and strengthen your hand muscles.