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. Suitable For Professional Use At Home, Gym, School, Office, Etc.