Powerball NSD Autostart Range - Hand, Grip, Wrist & Forearm Rehabilitation & Strengthening Gyroscopes (280hz Pro)

FASTER, HARDER, STRONGER - Powerball can generate up to 16kg of gyroscopic resistance for a muscle-burning upper-body workout that will substantially increase wrist and grip strength and rapidly build muscles in the shoulders and arms LCD SPEED METER - Made with only the highest-quality materials, Powerball features a military-grade shell, stainless-steel rotor, and a 4-mode LCD speed meter for tracking rehab progress and strength gains AUTOMATIC STARTING - The new Range of Autostart Powerballs are simple to use and no cords are required to get them started. Simply wind back the rotor three or four times, release and feel the Powerball jump to life in your hand. Autostart Powerball is especially ideal for anyone suffering from a hand or wrist injury POWERFUL GRIP STRENGTH - A highly-beneficial grip trainer for athletes and musicians alike, Powerball strengthens your fingers, wrists and hands for improved flexibility and finger dexterity making it a must-have product for climbers, golfers, tennis players, boxers and more, as well as guitarists, pianists, drummers, etc. SOOTHE & RELIEVE - Using Power Ball for as little as 3 minutes a day can effectively rehabilitate and prevent repetitive strain injuries such as carpal tunnel, tendinitis and tennis elbow, as well as soothe and help repair broken bones and wrist fractures