5-60Kg Adjustable Grip Strength Trainer - Finger Exerciser Hand Muscle Builder U

Customise Your Strength: 5-60Kg Adjustable Grip Trainer & Hand Exerciser. It is ideal for musicians, fitness people and sports people to train. This trainer is an essential tool for athletes (rock climbers, golfers, weightlifters), musicians, and anyone looking to boost hand endurance, dexterity, and forearm strength.

eBay