Design: Ergonomically shaped softball suitable for finger, hand, or forearm muscle training.

• Suitable for use with both hands.
• Develops fingers, hands, wrists, and forearm muscles.
• Strengthens flexor and extensor muscles, joints, and the carpal tunnel.
• Recommended and used by professionals worldwide.

Includes: 2 different rubber straps to adjust the Handmaster Plus to the size and strength of the hand.