Strengthens hands, wrist, forearms, biceps and triceps
Up to 15 pounds of resistance
Aids in the prevention and rehabilitation of RSI
Spins up to 9,000 RPM 's
Diamonds are a hand's best friend! The Diamond Powerball Mini Gyro was engineered to help strengthen the entire hand, wrist, forearm, biceps and triceps. Its compact design provides comfort, control and an effective workout while on the go. This easy to use training tool allows you to enhance your fitness, improve sport performance, increase accuracy and rehabilitate injuries - anywhere and anytime. Replaces up to 15lbs of free weight Capable of spinning in two different directions and up to 9, rpm Customize your resistance by simply spinning it slower or faster Integrated matching LED light gets brighter the faster it spins Includes 1 gyro and a power cord string to start it Great for children, finger strength training and grip training.