Hand Grip Strengthener, Adjustable Resistance 5-60 kg, Grip Strength Trainer for Muscle Building and Injury Recovery in Athletes, Countable up to four digits, Adjustable to zero, Black

OverviewThe new and upgraded version can count up to 9999 with a clear counting function with one button! It features adjustable spring handle tension of up to 5-60 kg, made possible by a high-quality steel spring that ensures durability—no sagging, breaking, or shaking. Its compact design makes it comfortable to hold without being too bulky. Crafted from PP+TPR material, it boasts thickness, hardness, and toughness, with rounded edges that prevent skin abrasions and eliminate the need for a plastic frame. Additionally, the galvanized spring is rustproof, ensuring longevity and sustained performance.