JOLNNKHF 2 Pack Finger Grip Strengthener,Powered Gear Power Ball Forearm, for strength Finger Exerciser Gripper Tool (black)

【Powered Gear Resistance Technology】Experience dynamic, smooth resistance that automatically adjusts to your grip force, maximizing finger and forearm engagement with every squeeze 【Compact & Portable Training】Lightweight, pocket-sized design allows for convenient workouts anytime, anywhere - perfect for the office, travel, or home use 【High quality material】The surface of this finger clip has been sandblasted, making it softer and skin friendly, and less prone to accumulation. And it is washable and easy to clean 【Effective grip strength training】The finger strength trainer promotes grip strength training specifically for and hands. Incorporating it into your daily life can significantly improve grip strength, endurance, and control 【Complete 2-Pack Value Set】Get two strengtheners for individual use, sharing, or keeping one at home/office, offering exceptional value for consistent training and progress tracking