Hand exerciser Radder 822017-310

This exerciser provides excellent training for the muscles and joints of the hand, fingers, wrist, forearm, biceps, triceps, and shoulders. It relaxes effectively, relieves fatigue, improves blood circulation, and is suitable for rehabilitation after injuries. The body of the model is made of transparent plastic, with a gyroscopic rotor inside. The user's task is to hold the exerciser with the whole palm or fingertips. It doesn't require batteries (it works from the rotational force of the wrist). The compact size of the model allows you to exercise anywhere.