Ideal for Athletes and Musicians: Provides a complete strength training solution for fingers, hands, wrists and forearms. Promotes finger strength, flexibility, coordination and speed. Great golf training tool to help golfers improve their hand strength. Finger Strength Exerciser: The Hand Exerciser offers adjustable resistance from 3.0 to 8.5 lbs on each finger, allowing one unit to meet all your exercise needs. Innovative 5-button design allows for finger extension exercises, essential for piano and guitar players. 2 colors: yellow and black, can be given as a gift to friends, family kids to encourage them, they will be very happy Comfortable buttons: soft button cap makes it comfortable to press, slim size allows you to fit everything in a palm and make it portable to exercise your fingers anytime, anywhere. Small and quiet: The portable (and quiet!) player can be taken anywhere and used anytime - on the train, in traffic, in the office or watching TV