1.Perfectly integrate 50*150mm flat oval tube and 50*100mm positive oval tube, makes the machine look stable and fashionable. 2.Steel made weight plate, enhance the durability and comfortably operations. 3.Digital counter, makes exercising more scientific and human oriented. 4.One time shape mold created the double side PVC weight stack cover, always protecting the user, and increasing the attraction of this machine, totally underline the high quality. 5.Unique separate designed movement trajectory, human oriented and exercising friendly.