... esteem Improved aerobic fitness New Twist and shape stepper 1. Steel tube thickness: 1.5mm and ... to work deep muscles without putting exreme pressure on bones and joints Effective aerobic exercise and sculupture ... time. Effective to the leg, abdomen, thigh and lower body. Electronic meter: Time, distance, count, total count, ... 560 sets 40'q: 1140sets 2012 New As Seen on tv Twist and shape stepper