Hand grip strengthening tool

• Small and lightweight finger training device enough to fit your sports bag or your bag even in your pants pocket without noticing. Exercise your hands anytime and anywhere using a finger extension training tool. Perfect for quick training on the way to work or at home. • Finger strengtheners can improve the strength of the fingers of athletes, musicians, and daily household chores. It is ideal for anyone who performs repetitive movements. (Sold as one piece)