Instruction: sit on the board with feet hooked underneath the bar, cross hands over the chest or position them behind the head, lean backwards and perform sit-up exercise.

Basic information:
A. All steel pipe are galvanized steel pipe, pipe thickness 3mm, main pipe: 114*3mm, other pipe:60*3mm and so on.
B. Plastic parts: Made of import LLDPE which is no poison and smell, anti-UV, anti-static, anti-crack, anti-aging; finished with rotational molding technology.
C. Metal parts: Made in the national standard steel pipe, welded by the industrial robot, strong and smooth.
D. Screw: All the screws are No.304 stainless steel material (GB/T1221-1992).
E. Painting: Using the Korean import electrostatic powder coating production line to painting