... metabolism Injury protection Improved self esteem Improved aerobic fitness New Twist and shape stepper 1. Steel tube thickness: 1.5mm and 2.0mm ... same time. Effective to the leg, abdomen, thigh and lower body. Electronic meter: Time, distance, count, total count, calories Size: 370 ... sets 40'q: 1140sets 2012 New As Seen on tv Twist and shape stepper