XCBW Supernova Models Gyroscopes, Wrist Trainer Gyro Ball, Rehabilitation and Strengthening, Wrist, Grip, Forearm, Arms…

FLEXIBLE AND ADJUSTABLE: The strength of the forearm exerciser can be adjusted according to your arm length and strength level, perfectly adapting to your needs, helping to enhance the wrist and arm strength and grip, and improve the exercise effect.
SEALED ABS MATERIAL: The wrist strength exerciser is made of high-quality ABS material, which is well sealed, more pressure-resistant, and safe to use. It can help you complete an excellent arm strength exercise no matter what your strength level is.
SUPER FLEXIBILITY: The forearm exerciser’s super-flexible, highly elastic springs allow this forearm strength trainer to have massive flex and never break or deform.

METAL HYBRID – Encompassing a solid, heavyweight zinc rotor inside a smoked-black, military-grade polycarbonate shell, the Powerball Hybrid Autostart Classic successfully combines the classic appearance a standard Powerball with all the power of a Metal Series model.
AUTOSTART – Fitted with an autostart mechanism for quick activation and fuss-free spinning every time. Simply wind back the rotor, release and spin to use the Powerball Gyroscope Hybrid Autostart No strings needed!
LCD SPEED METER – Hybrid Pro includes a 4-mode battery-free speed counter for precisely monitoring your strength progress, endurance gains and highest spin speeds.