Finger Training Grip Soft silicone material Not only does it improve the strength of fingers, wrists, and forearms, but it also has a relaxing effect through stretching. There are two grips with different power levels, allowing for intensity adjustment. The main body is compact and lightweight, making it convenient to carry. ----------------------------------------------- ☆ Please read the profile before purchasing. ☆ We will prioritize those who can purchase immediately. #mizupon's other products Finger Power 2 pieces Finger Trainer Grip Training Grip Strength Training Adjustable Strength Grip Strength Enhancement Tool Grip Strength Recovery Grip Trainer Power Grip Grip Strength Training Stress Relief Easy to Use Gray Black Training Finger Strength Grip Strength Rehabilitation Stretch Guitar Piano Sports 37-41.38-47