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【Mechanical Intelligent Counting, Accurately Track Your Progress】 Built-in mechanical intelligent counting system automatically records each grip rep without batteries, keeping you focused on your workout. The clear display shows your reps, making it easy to review training volume and scientifically track strength gains or recovery progress. 【Adjustable Resistance Range, Suitable for All Levels】 Features an adjustable resistance design (supporting a range such as 5–60 kg) to suit everyone from beginner rehabilitation users to advanced strength trainers. Simply turn the dial to change resistance levels, effectively training your fingers, palms, forearms, and wrists. 【Targeted Forearm & Grip Strength Development】 Specifically designed to improve grip strength, forearm size, and finger dexterity. Regular use significantly enhances gripping endurance, boosting performance in sports such as climbing, weightlifting, tennis, and golf, while also relieving hand fatigue from prolonged keyboard or mouse use. 【Supports Injury Recovery & Finger Training】 Ideal for rehabilitation from arthritis, carpal tunnel syndrome, or hand injuries. Controlled resistance repetitions help safely restore hand mobility. The included finger exerciser allows independent strengthening of each finger for better coordination and power. 【Ergonomic Non-Slip Handle, Durable & Safe】 The handle is made of high-density non-slip material that fits the palm's natural curve, preventing slipping or calluses during training. Reinforced springs and an impact-resistant shell ensure no deformation after long-term, high-intensity use, making it suitable for daily training at home, the office, or the gym.