A€Three Resistance Levelsa€‘ With This Arm Trainer You Can Choose From Three Different Resistance Levels To Adjust Your Workout And Achieve Maximum Effectiveness. A€ Chest Expandera€‘ This Arm Trainer Is Not Only Perfect For Arms But Is Also Ideal As An Chest Expander To Strengthen Pectoral Muscles. A€Convenient U-Shaped Designa€‘ The Twist Arm Trainer Has An Innovative U-Shaped Design That Allows You To Train The Muscles Of Your Arms Shoulders And Upper Body. A€Compact Workout For On-The-Goa€‘ Lightweight And So You Can Take It Anywhere: At Home In The Office Or On The Go. A€Effective Muscle Building For Mena€‘ With This Twist Arm Trainer Men Can Reach Their Fitness Goals Faster And Develop A Muscular Physique.