Description: 【Enhance Grip & Forearm Strength】: Effectively target and strengthen the muscles in your fingers, hands, and forearms with every squeeze. Ideal for athletes, climbers, musicians, and anyone looking to significantly improve their grip power 【Premium Construction】: Crafted from quality spring steel, this grip ball is built to withstand countless reps and resist drops. Its ergonomic spherical design ensures a comfortable and fit for all hand sizes 【Compact & Portable for On the Go Training】: With its lightweight and pocket sized design (50x100 mm), you can take your hand workout anywhere. Easily slip it into your gym bag, backpack, or desk drawer 【Versatile Exerciser for All Lifestyles】: Whether you're an office worker looking to stiffness, a student training for fitness tests, or a senior aiming to maintain hand mobility and strength, this multifunctional Grip Strength Training tool is great fit 【Potable】: This Fidget Spring Toy is a simple yet effective tool for a wide range of personal fitness goals. A convenient cloth carrying pouch is included for easy storage and travel Specification: Material: Steel Size Chart: 5cmx5cmx10cm/1.97inchx1.97inchx3.94inch Package Includes: 1 Grip Ball 1 Storage Pouch Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.