Power Twister Spring

40kg 50kg 60kg * Power twister can work on arm strength, chest muscles, wrist strength, back muscles, shaping the perfect body shape. * The handle is made of non-slip rubber, which is designed with exquisite workmanship. It is comfortable, non-slip and wear-resistant, and durable. * High-density thick spring, strong strength, no paint, * Long service life and not easy to deform. * Suitable for professional use at home, gym, school, office, etc