features a counter and adjustable resistance, great for improving the strength of your wrist, fingers, and hands, and good for muscle building. Features: The smart counter records your exercise numbers to track your training progress, no battery is required. Gently rotate the bottom button to clear the unit digit, and push and rotate to clear the tens digit. Adjustable resistance from 5kg to 60kg (11lb - 132lb) as needed. An ergonomic soft TPR rubber handle provides a comfortable, nonslip grip. High-strength plastic frame with stainless steel spring for long-lasting durability. Help improve the strength and flexibility of the forearm, wrist, finger, hand, and muscle building.
