Spring Hand Grip Power Strength Expander For Hand Strengthener Finger Grip Power Grip Rehabilit Hand Trainer 5Pcs/Set

Type: Electronic Counting Gripper
Functions:
Comprehensive Fitness Exercise
finger trainer, Hand strengthener
power trainer, powerball
wrist trainer, hand grip
arm trainer, hand expander
power expander, finger strengthener
spring handgrip, forearm exerciser
grip trainer, simulator for fingers
hand grip trainer, Hand trainer
hand trainer, grip strength