Gripmaster Hand Exerciser
Exercise each finger individually with the Gripmaster Hand Exerciser. It features the patented spring-loaded finger piston technology that helps to improve hand, wrist, and forearm strength.
This Gripmaster hand exerciser also has an ergonomic base for comfortable and steady. It is a great tool for hand strengthener exercises. It also is perfect for any athlete such as climbing, shooting, boxing to develop finger strength, dexterity and endurance.View on Amazon