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

FUSS-FREE EXERCISE - NSD Power Ball 280Hz Autostart Classic features an extremely practical automatic starting function, just wind the rotor backwards and release for an instant, hassle-free start every time - no cord needed 25 YEARS, MILLIONS OF POWERBALLS - Powerball is made using only the highest-quality materials for ultra-smooth, 100% vibration-free spinning of up to 18,000rpm. Powerball Autostart Classic is fitted with a military-grade green shell and a stainless-steel rotor for years of Powerball enjoyment EFFECTIVE STRENGTHENING - Powerball is an immensely powerful arm exercise machine that can generate up to 16kg of isometric resistance to rapidly build shoulder and forearm muscles and dramatically increase wrist and hand grip strength - spin Powerball at a high speed and feel your muscles begin to burn in just a few seconds REHABILITATE, RELIEVE, REPAIR - Use Power Ball for as little as 3 minutes each day to effectively rehabilitate and combat RSI such as carpal tunnel syndrome & tennis elbow, numbness in fingers and muscle tears as well as relieve pain in the wrist and help repair broken bones and fractures IMPROVE YOUR PLAY - Using Powerball on a regular basis strengthens and trains your grip while also increasing flexibility in the wrist, hand and fingers, making it the ideal complement to sports that require a powerful grip such as golf, squash, climbing, cricket, etc. Powerball also builds finger dexterity and is perfect for musicians looking to enhance their proficiency and technique (guitar, piano, drums)