Hand Exercise Balls offer a practical solution for enhancing hand strength, dexterity, and rehabilitation. Designed for athletes, musicians, and those recovering from injuries, this set features five resistance levels to support progressive training and recovery. Crafted from durable, non-toxic thermoplastic elastomer, the ergonomic balls fit comfortably in the hand, ensuring a natural grip and full range of motion. Lightweight and portable, they are ideal for on-the-go use. Beyond building grip strength, these balls aid in improving coordination, reducing stiffness, and supporting recovery from conditions like arthritis and tendonitis. Diameter: 5 cm. Set includes five balls with varying resistance.