POJUSASI hand grip strength trainer is a helpful tool situable for a wide range people of different age and fitness level. It can not only help ordinary people to develop grip strength, but also help people with hand problems to recover hand strength. It has two-digit counter, counting range 00-99. After number 99, it will be reset to 00 for the new loop counting. As it is adjustable and multifunction, buying it can replace buying multiple non-adjustable grip training devices, and you will save 49% of the cost. Health is very important in our daily life. If you wish, you can train your both hands at same time. The POJUSASI grip strength trainer has superior craftsmanship, high quality, these make it a perfect gift for your friends and family on Christmas, Thanksgiving, New Year, Birthday, etc.