Exercise Adjustable Hand-muscle Developer Fitness Equipment

Product information:
Applicable scenario: Fitness Equipment
Color: Second generation spring grip (mechanical count-black), second generation spring grip (mechanical count-gray), second generation spring grip (mechanical count-Orange), second generation spring grip (mechanical counting-Green), second generation spring grip (mechanical counting-black and gray), second generation spring grip (mechanical counting-blue)
Specification: 5-60
Material: PP