NSD Power Sterling Spinner Gyroscopic Wrist and Forearm Exerciser with Polished Stainless Steel Finish, SilverIdeal for athletes looking for the ultimate in grip and forearm strength, or muscle builders looking to target and sculpt muscles specifically in the forearm area, The Sterling Spinner is built with a heavy, solid zinc rotor on an upgraded gyro track built to withstand higher speed and momentum from a more durable material. Encased in a stainless shell polished to a mirror like shine, the form of the NSD Sterling Spinner is more than a match for its function.
The dynaflex power ball by Liberty Mountain is the ultimate in engineering design work featuring the same user friendly features and incorporating an on-board generator. By activating the gyro, a dynamism (motion) is created which will activate the LED lights located in the interior of the gyro. The faster the unit runs, the brighter the lights will be until the whole hand is engulfed in a bright glow. The power ball also features a balanced rotor and removable top cap, which will allow insertion of the optional digital speed meter. All climbing sales are final.
Dimension (L x W x T): 25 x 40 x 10 mm/ 0.98 x 1.57 x 0.39 in.
With a push of the button the new Docking Station activates the gyroscopic Pro gyro. As speeds build resistances grows, this powerhouse reaches up to 9,000 RPM with 25lbs of torque resistance. This package combines our enrty level Pro gyro with the amazing Docking Station.