5-piece hand exercise set: The hand training device set includes an adjustable grip strengthener. finger exerciser. finger stretch band. hand grip ring and relief grip ball. with what hand. here fingers. your wrist. Can strengthen and exercise elbows and forearms Adjustable and counting design: The hand muscle trainer is infinitely adjustable from 5 to 60 kg. which adds more variety to your practice grip and is perfect for men and women of all strengths. The mechanical counter automatically records the number of each shank. by clicking the button at the bottom Safe and convenient and portable: Non-toxic and odorless with eco-friendly material. Ergonomic shape. The soft grip of the grip exerciser is suitable for different hand sizes. The compact size of the forearm trainer with case allows you to do just that. put it in your handbag or gym bag and train anywhere Multifunctional use - the handgrip strength trainer set can not only improve your grip strength. finger flexibility. Wrist stability or overall forearm strength. but also help in the rehabilitation of injuries, making them a good choice for athletes. pianist or guitarist. drummer and musician. Bodybuilders and more