Hand Grip Wrist Builder Arm Strength Fitness Exercise Stress Relief Hand Therapy US Seller Too much typing or clicking on the mouse makes your finger STRESSED? 1 hand grip/ wrist builder Size: 5"(L) X 3.75"(W) Hand Endurance ~ Practicing and Squeezing hand grip for longer period will enhance your hand power ability.You may lift heavier item without injuring yourself. Stress relief ~ Hand grip is a great tool for stress relief just like a THERAPY relieve your muscle and joint all together. You can using it anywhere and anytime, e.g: while working in office, while watching TV in living room and so forth! Light and portable size!! Forearm Strength ~ Work it out, your forearms will look bigger and impressive especially for MEN! Fingers Dexterity ~ Train your fingers to work independently and move faster. Musicians and typist can improve their fingers movement by using it.