The frame is made of white square tube with black press arms, which is beutiful and reliable in terms of design structure. Preferred movement bearing kit to ensure smooth and durable trajectory; PU one-form cushion is pretty comfortable and durable. after tens of thousands of time of high strength leather test; Auxiliary barbell plate hanger : some mode is equipped with auxiliary barbell plate hanger, with stainless steel tube and quality assurance, for placing more quantities of barbell plate, which is easy to use.