New, unused set of 2 Finger Power Grip Strength Trainers for grip strength training and recovery. Please understand that these are imported products and may have some dirt or scratches. (Grip Strength Training) Not only does it improve the strength of your fingers, wrists, and forearms, but it also has a relaxing effect after training. The feel of the finger stretcher varies depending on the intensity level, allowing you to train according to your needs. (Adjustable Intensity Levels) There are multiple levels for grip strength training based on your grip strength. You can freely adjust to the appropriate level, suitable for both men and women of all ages. (Space-Saving) Compact and perfect for those who lack exercise, it is also effective for stress relief. Finger Power Grip Training Grip Strength Training Wewiken Adjustable Strength Grip Strengthening Tool Grip Training Grip Trainer Stress Relief Easy to Use (Black & Gray) Within 56g (100g) - Standard size: 140 yen, Oversized: 220 yen