Urchin Spring Power Twister Bar for Shoulder Arm Builder Exercise Chest Machine Arm Upper Body Bicep Blaster Strength Training Workout Home Gym Fitness Equipment

With this workout device, it's much easier to build a strong upper body,it can strengthen your arms and tone your chest muscles.The non-silp handle with a high density safety rope, which not only increases grip strength but also provides security for exercise. Latest three - strand arc design: in a few stress points of the spring section to increase the arc design, not easily deformed, stronger force, longer service life.High quality carbon steel spring is more elastic.The design of spring protection cover increases the flexibility of spring and steel tube, and extends the service life better.