4 Pieces Finger Training Ball PU Polyurethane Finger Exercise Ball Smooth

This set of 4 round finger training balls is practical exercise equipment for anyone looking to add simple hand work into a daily routine. With four separate pieces, it gives you a compact hand exerciser option that can be kept nearby at a desk, in a bag, or in a home exercise area. Made from PU polyurethane, each finger training ball has a finish that feels comfortable during repeated use. The surface is easy to hold, and the rounded shape supports squeezing and rolling motions during grip practice. The set includes four sizes: 9 cm, 7 cm, 6.3 cm, and 5 cm. Having multiple sizes makes the grip training ball collection versatile, since different balls can be used for different hand preferences or training routines. Designed for finger exercise, grip training, and improving finger flexibility, this finger exercise ball set fits well into everyday use. Whether you want to warming up your hands, practice controlled finger movement, or simply keep your hands active, it offers a straightforward way to train with minimal setup.