Kuangmi Multifunctional Hand and Forearm Trainer Gripper Exerciser Strengtheners (Black (Upgraded version), 30KG Torsion)

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Benefit – Help you build lean,defined lower arms,strength the wrist,arm,and shoulder power,develop strong flexor muscles and larger extensor muscles,hand grip will work more muscles,reduces strain on joints
Ergonomic product design – Soft grip shoulder,density foam cover to make you feel more comfortable when used
Easily Portable – Accessory to complement the gym home training system,encourages more natural arm and shoulder movement that traditional push ups
Lightweight & Easy to carry – Design with steel spring resistance,which is suitable for home,office,gym,exercise to use
Material & Color & Model – Case material:ABS,Holder Materials:NBR,foam,Color:Blue,Red,Model(Torsion):5kg,10kg,15kg,20kg,30kg