Feature(may vary by option.)

●Reliable domestic shipping
●Training ball developed with the idea of building arm muscles and grip strength using centrifugal forces of rotors that rotate fast and gyro
●Equipped with auto start function
●9.5 oz (260 g) 27.6 x 21.7 x 21.7 inches (
●Instructions included

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Description

Reliable domestic shipping

Stepless Speed Adjustment Maximum Load: 13.2 lbs (61 kg) (17.6 - 133.2 lbs (7.6 - 61 kg)Stepless Speed Adjustment Maximum Load: 13.2 lbs (61 kg) (17.6 - 133.2 lbs (7.6 - 61 kg)

Training ball developed with the idea of building arm muscles and grip strength using centrifugal forces of rotors that rotate fast and gyro.

How to use: Slide the strap through your wrist and slowly rotate it around the arrow direction of the rotor, about 10 to 15 times.Release and rotate your fingers that have been holding the rotor down. Move the wrist to increase the rotors rotors and increase gravity.How to use: Slide the strap through your wrist and slowly rotate it around the arrow direction of the rotor, about 10 to 15 times.Release and rotate your fingers that have been holding the rotor down. Move the wrist to increase the rotors rotors and increase gravity.
Strength Training, Exercise, Arm Tightening, RehabilitationStrength Training, Exercise, Arm Tightening, Rehabilitation