Wrist Trainer Ball
Self-Starting Gyroscopic Fitness Trainer
$18.99
The JIN BD Wrist Ball is a portable, battery-free gyroscopic device for strengthening the forearm, wrist, and grip. It features an automatic, string-free start and generates resistance proportional to the speed of your rotation, which helps improve muscle flexibility and recovery from conditions like carpal tunnel syndrome.
Key Features
Ball bag, safety rope, and instruction manual.
Blue LED light model, portable for use anywhere.
Automatic start mechanism (no starter string required).
Beneficial for athletes, musicians, and recovery from repetitive strain injuries.