About this item ???? ?? ??? ?????, ??????? ???????? ? Hand strengthener adds a smart counter. Automatically record the number of times you press the button count each time and rotate the button to clear the digitals. Compared with one pack, with 2 packs grip strength trainer, you can train your two hand at same time. Help you get the training progress better. you press the button count each time and rotate the button to clear the digitals. ???? ???? ???????????? ??????? ??? - ? ???? ? The grip trainer set contains 2 Adjustable Hand Gripper, Wrist Workout, Finger stretcher Resistance Band,Stress Relief Grip Ball. Compared to the two -packs Hand Gripper set on the market, it can help you comprehensively strengthen and exercise your hand, fingers, wrist, elbows, and forearms. ??????????? ??? ??????? ? The ergonomic and soft handle of grip strength trainer is not only fit for small and large hands, seniors, and teens but also ensures comfortable holding. The resistance of hand grips for strength training is perfect for both men and women with different strength as it can be adjusted from 11lbs to 132lbs easily. You can use the FitBeast hand grip strengthener anywhere at any time. ???????? ??? ???????? ? The forearm strengthener is perfect for improving strength, power and speed in the wrists, fingers, and forearms. An undoubtedly best choice for Rock Climbers, Tennis Players, Athlete and Musicians to enhance the flexibility of fingers and wrists.