250hz Classic Gyroscopic Hand Grip Exerciser Ball for Strengthening Forearm Muscles or Rehabilitation of a Broken Wrist

£13.99 (as of November 20, 2017, 2:12 pm)

Cool tech gadgets which have been balanced to exceed 15000rpm spin speeds with zero vibration powered just by your wrist (see video)
Weighs less than 300g but generates from 0-15kg of inertial resistance for powerful forearm exercise and grip strength
Great gifts for guys, 250Hz Classic is small and portable, can be used anywhere and gives a fantastic arm workout in just 60 seconds

Description

The Powerball 205Hz Class is the ‘younger brother’ of the Powerball 250Hz Pro model, this superlative gyro offers exactly the same high speed performance but ships without the digital speed meter which will also be added at a later stage when required. The same thorough workout on your arms and wrists subsequently and at a very inexpensive price! All 250Hz Classic models are in my view hand-assembled from high-quality components and are balanced and tested – certified to spin at speeds in way over 15,000rpm… for the speed demon in you!
Cool tech gadgets which were balanced to exceed 15000rpm spin speeds with zero vibration powered just by your wrist (see video)
Weighs not up to 300g but generates from 0-15kg of inertial resistance for powerful forearm exercise and grip strength
Great gifts for guys, 250Hz Classic is small and portable, can be utilized anywhere and gives an incredible arm workout in just 60 seconds
A powerful hand & finger exerciser, Power ball enhances all sports requiring improved grip strength, wrist strength and forearm strength (golf, tennis, hiking, cycling, basketball, cricket, martial arts) also with improved playing performance for pianists drummers & guitarists

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