SILARUKOV 40 mm Wrist Rotator (adjustable resistance)

The SILARUKOV Wrist Rotator is an exerciser device for your fingers, hands, wrists and forearms. 

It is also helpful in rehiabilitation from sports traumas. 

The resistance is adjustable. You can make it very small and you can make it very strong and practically impossible to move. 

The main motion is rotation in horizontal or vertical position (please see a video). 

The knurling is mild and smooth and it make it very comfortable to train with the exerciser. 

Weight is 1.4 kg. 

Length is 48 cm. 

The diameter is 40 mm. 

P.S. There is also a 30 mm and a 60 mm option.