Professional Equipment Included: The hand grip strengthener comes with a 6-piece kit containing an adjustable hand grip strengthener, hand strengthener grip ring, finger stretcher resistance band, finger exerciser, and stress relief grip ball, offering a versatile and comprehensive solution for hand and forearm training. These tools help exercise and strengthen the hands, fingers, forearms, wrists, and elbows. Adjustable Resistance Hand Grip Exerciser: Featuring a high-quality alloy spring with excellent resilience, the resistance can be easily adjusted from 22 to 132 pounds, making it suitable for men, women, seniors, and teens with varying strength levels. Users can gradually increase resistance over time to progressively build strength. Smart Automatic Counting Function: Equipped with a mechanical counter button at the base, the device automatically counts and records the number of squeezes during each workout session, helping track performance and consistency. Compact and Portable Design: Its compact size allows for easy storage in pockets, handbags, or small backpacks, making it convenient to carry and use anywhere. Ideal for At-Home Training: Regular use of this professional exercise set enables targeted training for the hands, fingers, wrists, forearms, and elbows, improving strength, dexterity, and overall function. Supports rehabilitation after hand injuries and enhances daily hand performance. Suitable for a Wide Range of Users: This hand grip strengthener kit is ideal for individuals seeking injury recovery support or improved hand strength, power, and coordination. Suitable for rock climbers, clinical exercise physiologists, tennis, golf, and bowling players, athletes, musicians, and others. Helps relieve stress, reduce hand fatigue, ease joint pain and stiffness, and promote blood circulation. A great option for those with prolonged typing or computer mouse use.