20-45KG Finger Ball Exerciser Hand Grip Strengthener Adjustable Power Training The Grip Strengthener is made of high-quality materials that are built to last. A must-have for building finger strength. It is perfect for strength training and physical therapy for the hands and fingers. It is designed to withstand regular use and resist wear and tear, ensuring long-term use. This Grip Strengthener is compact and lightweight, making it easy to carry. This Grip Strengthener supports various exercises and workouts. Adjustable resistance allows users to select the appropriate level based on grip strength. Ideal for improving finger function and movement. It easily fits in a gym bag, backpack, or pocket, enabling hand and finger strength training anywhere. Suitable for individuals recovering from injury or those looking to enhance grip strength. These hand exercisers are ideal for guitarists, office workers, pianists, musicians, artists, craftspersons, woodcarvers, web designers, and others. Helps exercise the entire arm to develop strong hands, wrists, and forearms. Specification: Material: ABS/TPE/Carbon Steel Spring Package Included: 1 x Finger Grip Strengthener Note: 1. Due to differences in monitors and lighting effects, the actual color of the item may vary slightly from the images. 2. Please allow 1-3 cm measurement deviation due to manual measurement. (1 inch = 2.54 cm)