→ The main body is made of high- quality stainless steel, which is not easy to rust for a long time, and has strong compressive strength. → Flexible folding and telescopic design, solid marbles can be adjusted in height freely according to needs, and can be folded and stored, saving space, worry and effort. → Thickened hinged arm, two- way card position, thick rivets are firmly connected, marbles are wear- resistant and compressive, and the foot post can be stretched freely. → Adjustable protective feet can be fine- tuned 0-10mm, stainless steel safety nut lock, enhance the bottom bearing. → The folding thickness is only 3.5cm, which is very practical and saves storage space.