Features: Comprehensive hand training: This hand trainer effectively targets all muscle groups in the hand, including finger strength and grip strength. Whether you're looking to increase grip strength, improve finger flexibility, or enhance overall hand strength, this device meets your needs. It supports a comprehensive exercise program ideal for athletes, fitness enthusiasts, and individuals requiring regular hand strength training. Massage palms: The grip strength trainer features multiple precisely designed hexagonal grooves on its surface. These grooves make close contact with the palm, helping stimulate pressure points, support blood circulation, reduce fatigue, and enhance overall hand comfort during use. Durable and comfortable material: The hand trainer is constructed with a high-quality stainless steel spring and ABS inner shell, wrapped in premium silicone exterior. This combination ensures durability, stability, and a comfortable grip during extended workouts, making it suitable for daily and repeated use. Train hand stability and flexibility: In addition to building grip strength, this finger exerciser helps improve finger joint stability and hand coordination. Specification: Material: ABS + TPE + Carbon Steel Spring Color: Black, Pink Training Site: Hand Department Name: Unisex Type: Finger Exerciser Origin: Mainland China Type of sports: Strength Training Package includes: 1x Hand Grip