1)Material: High-grade Carbon Steel(Q235). thickness 3 mm 
2）Double powder spraying: Zinc-Rich Powder (Thickness: 50-80um) + Color Powder (Thickness: 90-140um).
3）All the elements are anti-crack, anti-fade, anti-toxic, anti-UV resistance, environmental-friendly and safe raw material.
4）The steel are zinc and powder coated , welded by the industrial robot, strong and smooth.
5）Package:Bubble plastic bag and pp bag
6）Delivery time:15--20 days after the deposit paied
7）Keep your exercise slowly, and it is not suitable for children. The patients must ask the doctors for permission before using it. If feel any sick when training, you should stop immediately and consult with the doctors. The patients and children should be accompanied when using it.